./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.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/mannadiv_unwindbound50.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 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:44:40,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:44:40,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:44:40,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:44:40,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:44:40,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:44:40,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:44:40,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:44:40,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:44:40,409 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:44:40,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:44:40,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:44:40,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:44:40,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:44:40,409 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:44:40,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:44:40,410 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:44:40,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:44:40,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:44:40,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:44:40,411 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 -> 7aff0c23635f1e1acd85672a1024d6cb6d0af57cad0028c56f5d301198b4eae6 [2025-02-08 09:44:40,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:44:40,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:44:40,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:44:40,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:44:40,642 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:44:40,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2025-02-08 09:44:41,754 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/296b8fd7d/437ffb3c77d243c8a906ac318d3d6d8d/FLAG434735047 [2025-02-08 09:44:41,999 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:44:41,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound50.c [2025-02-08 09:44:42,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/296b8fd7d/437ffb3c77d243c8a906ac318d3d6d8d/FLAG434735047 [2025-02-08 09:44:42,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/296b8fd7d/437ffb3c77d243c8a906ac318d3d6d8d [2025-02-08 09:44:42,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:44:42,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:44:42,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:44:42,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:44:42,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:44:42,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3870975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42, skipping insertion in model container [2025-02-08 09:44:42,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:44:42,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:44:42,469 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:44:42,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:44:42,493 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:44:42,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42 WrapperNode [2025-02-08 09:44:42,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:44:42,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:44:42,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:44:42,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:44:42,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,516 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2025-02-08 09:44:42,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:44:42,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:44:42,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:44:42,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:44:42,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,534 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 09:44:42,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:44:42,547 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:44:42,548 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:44:42,548 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:44:42,549 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (1/1) ... [2025-02-08 09:44:42,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:44:42,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:42,576 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 09:44:42,581 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 09:44:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:44:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:44:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:44:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:44:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:44:42,634 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:44:42,635 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:44:42,797 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2025-02-08 09:44:42,797 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:44:42,804 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:44:42,804 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:44:42,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:44:42 BoogieIcfgContainer [2025-02-08 09:44:42,804 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:44:42,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:44:42,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:44:42,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:44:42,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:44:42" (1/3) ... [2025-02-08 09:44:42,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfbc0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:44:42, skipping insertion in model container [2025-02-08 09:44:42,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:44:42" (2/3) ... [2025-02-08 09:44:42,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfbc0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:44:42, skipping insertion in model container [2025-02-08 09:44:42,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:44:42" (3/3) ... [2025-02-08 09:44:42,810 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound50.c [2025-02-08 09:44:42,820 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:44:42,821 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_unwindbound50.c that has 3 procedures, 65 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-02-08 09:44:42,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:44:42,869 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;@14ea7b80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:44:42,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-08 09:44:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 58 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:44:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:44:42,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:42,878 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:42,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:42,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 969790049, now seen corresponding path program 1 times [2025-02-08 09:44:42,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:42,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827211217] [2025-02-08 09:44:42,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:42,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:44:42,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:44:42,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:42,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:44:42,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:42,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827211217] [2025-02-08 09:44:42,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827211217] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:42,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367262625] [2025-02-08 09:44:42,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:42,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:42,976 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 09:44:42,979 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 09:44:43,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:44:43,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:44:43,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:43,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:43,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:44:43,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:44:43,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:43,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367262625] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:43,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:43,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:44:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920411295] [2025-02-08 09:44:43,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:43,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:44:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:43,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:44:43,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:44:43,037 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 58 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:44:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:43,048 INFO L93 Difference]: Finished difference Result 128 states and 145 transitions. [2025-02-08 09:44:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:44:43,049 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-08 09:44:43,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:43,052 INFO L225 Difference]: With dead ends: 128 [2025-02-08 09:44:43,053 INFO L226 Difference]: Without dead ends: 61 [2025-02-08 09:44:43,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 09:44:43,056 INFO L435 NwaCegarLoop]: 69 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, 69 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 09:44:43,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-02-08 09:44:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2025-02-08 09:44:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 55 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:44:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2025-02-08 09:44:43,078 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 14 [2025-02-08 09:44:43,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:43,079 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2025-02-08 09:44:43,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:44:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2025-02-08 09:44:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:44:43,080 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:43,080 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:43,086 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 09:44:43,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:44:43,281 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:43,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:43,281 INFO L85 PathProgramCache]: Analyzing trace with hash -798532159, now seen corresponding path program 1 times [2025-02-08 09:44:43,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:43,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612393005] [2025-02-08 09:44:43,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:43,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:43,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:44:43,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:44:43,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:43,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:43,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612393005] [2025-02-08 09:44:43,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612393005] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:43,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:43,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:44:43,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147688844] [2025-02-08 09:44:43,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:43,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:43,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:43,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:43,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:44:43,426 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:43,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:43,476 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2025-02-08 09:44:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:44:43,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-02-08 09:44:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:43,478 INFO L225 Difference]: With dead ends: 75 [2025-02-08 09:44:43,478 INFO L226 Difference]: Without dead ends: 65 [2025-02-08 09:44:43,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:44:43,479 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 9 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 168 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 09:44:43,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 168 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-02-08 09:44:43,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-02-08 09:44:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.631578947368421) internal successors, (62), 59 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:44:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2025-02-08 09:44:43,489 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 14 [2025-02-08 09:44:43,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:43,490 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2025-02-08 09:44:43,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2025-02-08 09:44:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:44:43,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:43,491 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:43,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:44:43,491 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:43,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash 752322576, now seen corresponding path program 1 times [2025-02-08 09:44:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:43,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833369563] [2025-02-08 09:44:43,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:43,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:43,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:44:43,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:44:43,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:43,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:43,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545778603] [2025-02-08 09:44:43,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:43,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:43,508 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 09:44:43,509 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 09:44:43,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:44:43,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:44:43,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:43,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:43,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:44:43,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:43,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:43,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:43,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833369563] [2025-02-08 09:44:43,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:43,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545778603] [2025-02-08 09:44:43,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545778603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:43,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:43,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:44:43,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322040309] [2025-02-08 09:44:43,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:43,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:44:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:43,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:44:43,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:44:43,559 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:43,611 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2025-02-08 09:44:43,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:44:43,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-08 09:44:43,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:43,612 INFO L225 Difference]: With dead ends: 104 [2025-02-08 09:44:43,612 INFO L226 Difference]: Without dead ends: 98 [2025-02-08 09:44:43,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 09:44:43,613 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 29 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:43,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 89 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:43,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-02-08 09:44:43,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 88. [2025-02-08 09:44:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.65) internal successors, (99), 81 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:44:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2025-02-08 09:44:43,619 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 17 [2025-02-08 09:44:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:43,619 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2025-02-08 09:44:43,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2025-02-08 09:44:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:44:43,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:43,620 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:43,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:44:43,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:43,824 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:43,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:43,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1427490222, now seen corresponding path program 1 times [2025-02-08 09:44:43,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:43,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338628783] [2025-02-08 09:44:43,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:43,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:43,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:44:43,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:44:43,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:43,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:43,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:43,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338628783] [2025-02-08 09:44:43,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338628783] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:43,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:43,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:44:43,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159500542] [2025-02-08 09:44:43,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:43,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:43,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:43,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:44:43,927 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:44,024 INFO L93 Difference]: Finished difference Result 138 states and 175 transitions. [2025-02-08 09:44:44,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:44,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-08 09:44:44,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:44,026 INFO L225 Difference]: With dead ends: 138 [2025-02-08 09:44:44,026 INFO L226 Difference]: Without dead ends: 131 [2025-02-08 09:44:44,026 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 09:44:44,027 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 28 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:44,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 108 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-08 09:44:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 124. [2025-02-08 09:44:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 94 states have (on average 1.5957446808510638) internal successors, (150), 115 states have internal predecessors, (150), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:44:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2025-02-08 09:44:44,040 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 19 [2025-02-08 09:44:44,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:44,041 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2025-02-08 09:44:44,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2025-02-08 09:44:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:44:44,041 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:44,041 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:44,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:44:44,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:44,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:44,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1302523931, now seen corresponding path program 1 times [2025-02-08 09:44:44,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:44,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173788141] [2025-02-08 09:44:44,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:44,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:44:44,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:44:44,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:44,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:44,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173788141] [2025-02-08 09:44:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173788141] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:44,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:44:44,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691138697] [2025-02-08 09:44:44,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:44,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:44,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:44,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:44,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:44:44,097 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:44,234 INFO L93 Difference]: Finished difference Result 135 states and 165 transitions. [2025-02-08 09:44:44,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:44,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-08 09:44:44,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:44,235 INFO L225 Difference]: With dead ends: 135 [2025-02-08 09:44:44,235 INFO L226 Difference]: Without dead ends: 126 [2025-02-08 09:44:44,236 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 09:44:44,236 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:44,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 112 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:44,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-02-08 09:44:44,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2025-02-08 09:44:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5666666666666667) internal successors, (141), 111 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:44:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 153 transitions. [2025-02-08 09:44:44,243 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 153 transitions. Word has length 20 [2025-02-08 09:44:44,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:44,243 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 153 transitions. [2025-02-08 09:44:44,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2025-02-08 09:44:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:44:44,244 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:44,244 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:44,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:44:44,244 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:44,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:44,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1723536204, now seen corresponding path program 1 times [2025-02-08 09:44:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:44,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425013739] [2025-02-08 09:44:44,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:44,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:44:44,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:44:44,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:44,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:44,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:44,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425013739] [2025-02-08 09:44:44,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425013739] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:44,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237021964] [2025-02-08 09:44:44,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:44,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:44,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:44,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:44:44,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:44:44,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:44:44,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:44:44,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:44,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:44,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:44:44,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:44,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:44,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237021964] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:44,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:44,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:44:44,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257245676] [2025-02-08 09:44:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:44,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:44,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:44,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:44,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:44,436 INFO L87 Difference]: Start difference. First operand 120 states and 153 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:44,518 INFO L93 Difference]: Finished difference Result 123 states and 157 transitions. [2025-02-08 09:44:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:44,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-02-08 09:44:44,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:44,519 INFO L225 Difference]: With dead ends: 123 [2025-02-08 09:44:44,519 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 09:44:44,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:44,520 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 81 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:44,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 73 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 09:44:44,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2025-02-08 09:44:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5555555555555556) internal successors, (140), 111 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:44:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 152 transitions. [2025-02-08 09:44:44,526 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 152 transitions. Word has length 21 [2025-02-08 09:44:44,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:44,527 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 152 transitions. [2025-02-08 09:44:44,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2025-02-08 09:44:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 09:44:44,527 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:44,527 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:44,533 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 09:44:44,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:44,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:44,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1890014777, now seen corresponding path program 1 times [2025-02-08 09:44:44,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:44,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983321093] [2025-02-08 09:44:44,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:44,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:44:44,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:44:44,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:44,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:44,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901696840] [2025-02-08 09:44:44,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:44,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:44,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:44,739 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 09:44:44,740 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 09:44:44,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:44:44,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:44:44,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:44,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:44,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:44:44,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:44,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:44,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983321093] [2025-02-08 09:44:44,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901696840] [2025-02-08 09:44:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901696840] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:44,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:44,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:44:44,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518671036] [2025-02-08 09:44:44,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:44,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:44,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:44,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:44,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:44:44,847 INFO L87 Difference]: Start difference. First operand 120 states and 152 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:44,922 INFO L93 Difference]: Finished difference Result 121 states and 152 transitions. [2025-02-08 09:44:44,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:44,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2025-02-08 09:44:44,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:44,924 INFO L225 Difference]: With dead ends: 121 [2025-02-08 09:44:44,924 INFO L226 Difference]: Without dead ends: 120 [2025-02-08 09:44:44,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 09:44:44,924 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 74 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:44,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 78 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-08 09:44:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-08 09:44:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 111 states have internal predecessors, (139), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:44:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2025-02-08 09:44:44,931 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 22 [2025-02-08 09:44:44,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:44,931 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2025-02-08 09:44:44,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:44:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2025-02-08 09:44:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:44:44,932 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:44,932 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:44,937 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 09:44:45,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-02-08 09:44:45,133 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:45,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:45,133 INFO L85 PathProgramCache]: Analyzing trace with hash 117501827, now seen corresponding path program 1 times [2025-02-08 09:44:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:45,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220223758] [2025-02-08 09:44:45,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:45,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:44:45,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:44:45,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:45,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:45,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:45,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220223758] [2025-02-08 09:44:45,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220223758] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:45,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785608511] [2025-02-08 09:44:45,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:45,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:45,196 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 09:44:45,198 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 09:44:45,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:44:45,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:44:45,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:45,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:45,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:44:45,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:45,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:45,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785608511] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:45,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:45,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-08 09:44:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211392288] [2025-02-08 09:44:45,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:45,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:44:45,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:45,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:44:45,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:45,355 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:45,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:45,452 INFO L93 Difference]: Finished difference Result 191 states and 238 transitions. [2025-02-08 09:44:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:44:45,453 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 34 [2025-02-08 09:44:45,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:45,454 INFO L225 Difference]: With dead ends: 191 [2025-02-08 09:44:45,454 INFO L226 Difference]: Without dead ends: 189 [2025-02-08 09:44:45,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:44:45,454 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 150 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:45,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 242 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-08 09:44:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 167. [2025-02-08 09:44:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 135 states have (on average 1.548148148148148) internal successors, (209), 156 states have internal predecessors, (209), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:44:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 225 transitions. [2025-02-08 09:44:45,471 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 225 transitions. Word has length 34 [2025-02-08 09:44:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:45,471 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 225 transitions. [2025-02-08 09:44:45,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 225 transitions. [2025-02-08 09:44:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:44:45,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:45,472 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:45,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:45,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:45,673 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:45,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash -652410679, now seen corresponding path program 1 times [2025-02-08 09:44:45,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:45,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671484731] [2025-02-08 09:44:45,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:45,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:45,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:44:45,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:44:45,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:45,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:45,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:45,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671484731] [2025-02-08 09:44:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671484731] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:45,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:44:45,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:44:45,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360150526] [2025-02-08 09:44:45,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:45,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:44:45,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:45,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:44:45,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:44:45,714 INFO L87 Difference]: Start difference. First operand 167 states and 225 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:45,743 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2025-02-08 09:44:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:45,744 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2025-02-08 09:44:45,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:45,747 INFO L225 Difference]: With dead ends: 177 [2025-02-08 09:44:45,748 INFO L226 Difference]: Without dead ends: 175 [2025-02-08 09:44:45,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:44:45,750 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 80 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:45,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 76 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-02-08 09:44:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2025-02-08 09:44:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 135 states have (on average 1.511111111111111) internal successors, (204), 154 states have internal predecessors, (204), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:44:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 220 transitions. [2025-02-08 09:44:45,756 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 220 transitions. Word has length 35 [2025-02-08 09:44:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:45,756 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 220 transitions. [2025-02-08 09:44:45,756 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 220 transitions. [2025-02-08 09:44:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:44:45,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:45,757 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] [2025-02-08 09:44:45,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:44:45,757 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:45,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:45,757 INFO L85 PathProgramCache]: Analyzing trace with hash 98563431, now seen corresponding path program 1 times [2025-02-08 09:44:45,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:45,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610059536] [2025-02-08 09:44:45,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:45,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:45,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:44:45,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:44:45,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:45,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610059536] [2025-02-08 09:44:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610059536] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66967068] [2025-02-08 09:44:45,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:45,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:45,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:45,844 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 09:44:45,845 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 09:44:45,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:44:45,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:44:45,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:45,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:45,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:44:45,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:45,914 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:45,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66967068] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:45,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:45,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:44:45,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008067547] [2025-02-08 09:44:45,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:45,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:44:45,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:45,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:44:45,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:45,915 INFO L87 Difference]: Start difference. First operand 165 states and 220 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 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 09:44:45,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:45,942 INFO L93 Difference]: Finished difference Result 165 states and 220 transitions. [2025-02-08 09:44:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:44:45,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 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 37 [2025-02-08 09:44:45,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:45,943 INFO L225 Difference]: With dead ends: 165 [2025-02-08 09:44:45,943 INFO L226 Difference]: Without dead ends: 164 [2025-02-08 09:44:45,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:44:45,944 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 42 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:45,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 109 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:45,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-08 09:44:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2025-02-08 09:44:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 135 states have (on average 1.474074074074074) internal successors, (199), 153 states have internal predecessors, (199), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:44:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2025-02-08 09:44:45,951 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 215 transitions. Word has length 37 [2025-02-08 09:44:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:45,951 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 215 transitions. [2025-02-08 09:44:45,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 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 09:44:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 215 transitions. [2025-02-08 09:44:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:44:45,954 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:45,954 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:45,960 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 09:44:46,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:44:46,155 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1239500916, now seen corresponding path program 1 times [2025-02-08 09:44:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:46,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527824301] [2025-02-08 09:44:46,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:46,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:44:46,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:44:46,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:46,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:46,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:46,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527824301] [2025-02-08 09:44:46,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527824301] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:46,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480224525] [2025-02-08 09:44:46,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:46,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:46,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:46,208 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 09:44:46,212 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 09:44:46,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:44:46,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:44:46,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:46,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:46,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:44:46,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:46,277 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:46,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:46,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480224525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:46,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:46,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:44:46,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271001916] [2025-02-08 09:44:46,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:46,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:44:46,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:46,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:44:46,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:46,278 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:46,313 INFO L93 Difference]: Finished difference Result 174 states and 224 transitions. [2025-02-08 09:44:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:44:46,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2025-02-08 09:44:46,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:46,315 INFO L225 Difference]: With dead ends: 174 [2025-02-08 09:44:46,315 INFO L226 Difference]: Without dead ends: 173 [2025-02-08 09:44:46,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:44:46,315 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 39 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:46,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 185 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:44:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2025-02-08 09:44:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2025-02-08 09:44:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 135 states have (on average 1.4370370370370371) internal successors, (194), 152 states have internal predecessors, (194), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:44:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 210 transitions. [2025-02-08 09:44:46,321 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 210 transitions. Word has length 38 [2025-02-08 09:44:46,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:46,321 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 210 transitions. [2025-02-08 09:44:46,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 210 transitions. [2025-02-08 09:44:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:44:46,322 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:46,322 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] [2025-02-08 09:44:46,327 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 09:44:46,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:46,522 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:46,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1454438748, now seen corresponding path program 1 times [2025-02-08 09:44:46,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:46,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766291353] [2025-02-08 09:44:46,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:46,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:44:46,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:44:46,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:46,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:46,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:46,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766291353] [2025-02-08 09:44:46,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766291353] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:46,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127295276] [2025-02-08 09:44:46,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:46,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:46,600 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 09:44:46,602 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 09:44:46,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:44:46,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:44:46,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:46,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:46,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:44:46,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:46,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:46,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127295276] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:46,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:46,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2025-02-08 09:44:46,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111586185] [2025-02-08 09:44:46,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:46,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:44:46,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:46,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:44:46,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:44:46,779 INFO L87 Difference]: Start difference. First operand 163 states and 210 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:44:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:46,890 INFO L93 Difference]: Finished difference Result 305 states and 362 transitions. [2025-02-08 09:44:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:44:46,890 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 40 [2025-02-08 09:44:46,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:46,891 INFO L225 Difference]: With dead ends: 305 [2025-02-08 09:44:46,891 INFO L226 Difference]: Without dead ends: 293 [2025-02-08 09:44:46,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 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 09:44:46,892 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 103 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:46,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 342 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:46,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-02-08 09:44:46,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2025-02-08 09:44:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 217 states have (on average 1.4101382488479262) internal successors, (306), 234 states have internal predecessors, (306), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:44:46,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 328 transitions. [2025-02-08 09:44:46,908 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 328 transitions. Word has length 40 [2025-02-08 09:44:46,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:46,908 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 328 transitions. [2025-02-08 09:44:46,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:44:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2025-02-08 09:44:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:44:46,908 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:46,909 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:46,916 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 09:44:47,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:47,112 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:47,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:47,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1454438742, now seen corresponding path program 1 times [2025-02-08 09:44:47,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:47,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103394174] [2025-02-08 09:44:47,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:47,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:47,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:44:47,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:44:47,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:47,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:47,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57457663] [2025-02-08 09:44:47,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:47,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:47,132 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 09:44:47,133 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 09:44:47,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:44:47,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:44:47,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:47,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:47,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:44:47,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:47,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:47,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:47,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103394174] [2025-02-08 09:44:47,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:47,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57457663] [2025-02-08 09:44:47,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57457663] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:47,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:47,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:44:47,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937789976] [2025-02-08 09:44:47,463 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:47,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:44:47,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:47,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:44:47,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:47,464 INFO L87 Difference]: Start difference. First operand 251 states and 328 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:47,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:47,582 INFO L93 Difference]: Finished difference Result 258 states and 331 transitions. [2025-02-08 09:44:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:44:47,583 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2025-02-08 09:44:47,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:47,584 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:44:47,584 INFO L226 Difference]: Without dead ends: 251 [2025-02-08 09:44:47,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:47,585 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:47,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 77 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-02-08 09:44:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2025-02-08 09:44:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 218 states have (on average 1.3073394495412844) internal successors, (285), 230 states have internal predecessors, (285), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:44:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 307 transitions. [2025-02-08 09:44:47,598 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 307 transitions. Word has length 40 [2025-02-08 09:44:47,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:47,598 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 307 transitions. [2025-02-08 09:44:47,599 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 307 transitions. [2025-02-08 09:44:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:44:47,599 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:47,599 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] [2025-02-08 09:44:47,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:47,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:47,804 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:47,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:47,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2137928029, now seen corresponding path program 1 times [2025-02-08 09:44:47,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:47,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392031742] [2025-02-08 09:44:47,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:47,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:47,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:44:47,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:44:47,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:47,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:47,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564255941] [2025-02-08 09:44:47,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:47,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:47,823 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 09:44:47,824 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 09:44:47,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:44:47,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:44:47,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:47,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:47,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:44:47,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:47,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:48,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392031742] [2025-02-08 09:44:48,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:48,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564255941] [2025-02-08 09:44:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564255941] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:48,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:44:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46593449] [2025-02-08 09:44:48,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:48,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:44:48,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:48,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:44:48,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:48,114 INFO L87 Difference]: Start difference. First operand 247 states and 307 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:48,214 INFO L93 Difference]: Finished difference Result 335 states and 415 transitions. [2025-02-08 09:44:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:44:48,214 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2025-02-08 09:44:48,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:48,216 INFO L225 Difference]: With dead ends: 335 [2025-02-08 09:44:48,216 INFO L226 Difference]: Without dead ends: 330 [2025-02-08 09:44:48,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:48,216 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 102 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:48,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 128 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-02-08 09:44:48,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 314. [2025-02-08 09:44:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 282 states have (on average 1.2872340425531914) internal successors, (363), 294 states have internal predecessors, (363), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:44:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 391 transitions. [2025-02-08 09:44:48,227 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 391 transitions. Word has length 41 [2025-02-08 09:44:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:48,227 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 391 transitions. [2025-02-08 09:44:48,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 391 transitions. [2025-02-08 09:44:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:44:48,228 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:48,228 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:48,234 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 09:44:48,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 09:44:48,431 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:48,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:48,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1007179481, now seen corresponding path program 1 times [2025-02-08 09:44:48,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:48,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537628276] [2025-02-08 09:44:48,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:48,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:48,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:44:48,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:44:48,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:48,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:48,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:48,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537628276] [2025-02-08 09:44:48,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537628276] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:48,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531950580] [2025-02-08 09:44:48,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:48,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:48,514 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 09:44:48,516 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 09:44:48,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:44:48,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:44:48,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:48,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:48,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:44:48,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:48,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:44:48,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531950580] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:44:48,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:44:48,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:44:48,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841127194] [2025-02-08 09:44:48,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:44:48,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:44:48,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:48,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:44:48,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:44:48,649 INFO L87 Difference]: Start difference. First operand 314 states and 391 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:48,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:48,717 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2025-02-08 09:44:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:44:48,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2025-02-08 09:44:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:48,719 INFO L225 Difference]: With dead ends: 314 [2025-02-08 09:44:48,719 INFO L226 Difference]: Without dead ends: 312 [2025-02-08 09:44:48,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:44:48,720 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:48,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 77 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-08 09:44:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 309. [2025-02-08 09:44:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 279 states have (on average 1.2759856630824373) internal successors, (356), 289 states have internal predecessors, (356), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:44:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 384 transitions. [2025-02-08 09:44:48,736 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 384 transitions. Word has length 42 [2025-02-08 09:44:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:48,736 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 384 transitions. [2025-02-08 09:44:48,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:44:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 384 transitions. [2025-02-08 09:44:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:44:48,737 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:48,737 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:48,751 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 09:44:48,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:44:48,946 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:48,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1157792830, now seen corresponding path program 1 times [2025-02-08 09:44:48,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:48,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215195320] [2025-02-08 09:44:48,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:48,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:48,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:44:48,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:44:48,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:48,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:49,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:49,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215195320] [2025-02-08 09:44:49,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215195320] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:49,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944997111] [2025-02-08 09:44:49,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:49,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:49,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:49,105 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 09:44:49,106 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 09:44:49,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:44:49,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:44:49,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:49,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:49,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:44:49,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:49,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:49,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944997111] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:49,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:44:49,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2025-02-08 09:44:49,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582755466] [2025-02-08 09:44:49,330 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:49,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:44:49,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:49,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:44:49,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:44:49,331 INFO L87 Difference]: Start difference. First operand 309 states and 384 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:44:49,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:49,681 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2025-02-08 09:44:49,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:44:49,682 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 43 [2025-02-08 09:44:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:49,683 INFO L225 Difference]: With dead ends: 332 [2025-02-08 09:44:49,683 INFO L226 Difference]: Without dead ends: 313 [2025-02-08 09:44:49,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:44:49,684 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 138 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:49,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 190 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:44:49,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-02-08 09:44:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 297. [2025-02-08 09:44:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 267 states have (on average 1.2134831460674158) internal successors, (324), 278 states have internal predecessors, (324), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:44:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 352 transitions. [2025-02-08 09:44:49,696 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 352 transitions. Word has length 43 [2025-02-08 09:44:49,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:49,696 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 352 transitions. [2025-02-08 09:44:49,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 11 states have internal predecessors, (64), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:44:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 352 transitions. [2025-02-08 09:44:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:44:49,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:49,697 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:49,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:49,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:49,897 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:49,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash -943868698, now seen corresponding path program 1 times [2025-02-08 09:44:49,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:49,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696300835] [2025-02-08 09:44:49,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:49,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:44:49,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:44:49,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:49,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:50,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:50,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696300835] [2025-02-08 09:44:50,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696300835] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:50,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773631509] [2025-02-08 09:44:50,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:50,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:50,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:50,089 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 09:44:50,090 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 09:44:50,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:44:50,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:44:50,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:50,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:50,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:44:50,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:50,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:44:50,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773631509] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:50,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:50,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-08 09:44:50,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040935802] [2025-02-08 09:44:50,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:50,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:44:50,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:50,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:44:50,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:44:50,441 INFO L87 Difference]: Start difference. First operand 297 states and 352 transitions. Second operand has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:44:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:50,802 INFO L93 Difference]: Finished difference Result 302 states and 354 transitions. [2025-02-08 09:44:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:44:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2025-02-08 09:44:50,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:50,804 INFO L225 Difference]: With dead ends: 302 [2025-02-08 09:44:50,804 INFO L226 Difference]: Without dead ends: 299 [2025-02-08 09:44:50,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 75 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:44:50,805 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 136 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:50,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 194 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:44:50,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-02-08 09:44:50,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2025-02-08 09:44:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 267 states have (on average 1.149812734082397) internal successors, (307), 275 states have internal predecessors, (307), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:44:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 335 transitions. [2025-02-08 09:44:50,820 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 335 transitions. Word has length 44 [2025-02-08 09:44:50,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:50,820 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 335 transitions. [2025-02-08 09:44:50,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:44:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 335 transitions. [2025-02-08 09:44:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:44:50,820 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:50,820 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:50,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:51,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:44:51,025 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:51,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:51,025 INFO L85 PathProgramCache]: Analyzing trace with hash 804841439, now seen corresponding path program 1 times [2025-02-08 09:44:51,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:51,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411557090] [2025-02-08 09:44:51,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:51,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:51,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:44:51,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:44:51,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:51,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:51,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109122162] [2025-02-08 09:44:51,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:51,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:51,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:51,050 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 09:44:51,056 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 09:44:51,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:44:51,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:44:51,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:51,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:51,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:44:51,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:51,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:51,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:51,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411557090] [2025-02-08 09:44:51,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:51,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109122162] [2025-02-08 09:44:51,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109122162] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:51,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:44:51,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:44:51,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793639785] [2025-02-08 09:44:51,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:51,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:44:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:51,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:44:51,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:44:51,417 INFO L87 Difference]: Start difference. First operand 294 states and 335 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:44:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:51,645 INFO L93 Difference]: Finished difference Result 394 states and 449 transitions. [2025-02-08 09:44:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:44:51,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-08 09:44:51,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:51,646 INFO L225 Difference]: With dead ends: 394 [2025-02-08 09:44:51,646 INFO L226 Difference]: Without dead ends: 274 [2025-02-08 09:44:51,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:44:51,647 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 104 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:51,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 112 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:44:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2025-02-08 09:44:51,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2025-02-08 09:44:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 247 states have (on average 1.1093117408906883) internal successors, (274), 254 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:44:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 300 transitions. [2025-02-08 09:44:51,673 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 300 transitions. Word has length 45 [2025-02-08 09:44:51,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:51,673 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 300 transitions. [2025-02-08 09:44:51,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:44:51,674 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 300 transitions. [2025-02-08 09:44:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:44:51,674 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:51,674 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:51,681 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 09:44:51,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:44:51,875 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:51,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:51,875 INFO L85 PathProgramCache]: Analyzing trace with hash 318611261, now seen corresponding path program 2 times [2025-02-08 09:44:51,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:51,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132981827] [2025-02-08 09:44:51,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:51,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-02-08 09:44:51,886 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:44:51,886 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:51,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:44:51,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649758259] [2025-02-08 09:44:51,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:51,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:51,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:51,888 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 09:44:51,890 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 09:44:51,909 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-02-08 09:44:51,921 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:44:51,922 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:51,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:51,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:44:51,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:44:52,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:44:52,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132981827] [2025-02-08 09:44:52,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:44:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649758259] [2025-02-08 09:44:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649758259] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:52,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:44:52,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:44:52,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873012708] [2025-02-08 09:44:52,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:52,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:44:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:52,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:44:52,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:52,167 INFO L87 Difference]: Start difference. First operand 272 states and 300 transitions. Second operand has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:52,570 INFO L93 Difference]: Finished difference Result 441 states and 506 transitions. [2025-02-08 09:44:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:44:52,570 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 64 [2025-02-08 09:44:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:52,572 INFO L225 Difference]: With dead ends: 441 [2025-02-08 09:44:52,572 INFO L226 Difference]: Without dead ends: 428 [2025-02-08 09:44:52,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:44:52,572 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 161 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:52,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 287 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:44:52,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-02-08 09:44:52,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 390. [2025-02-08 09:44:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 359 states have (on average 1.128133704735376) internal successors, (405), 366 states have internal predecessors, (405), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:44:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 443 transitions. [2025-02-08 09:44:52,587 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 443 transitions. Word has length 64 [2025-02-08 09:44:52,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:52,587 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 443 transitions. [2025-02-08 09:44:52,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 443 transitions. [2025-02-08 09:44:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:44:52,588 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:52,588 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:52,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:52,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:52,792 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:52,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:52,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1539851055, now seen corresponding path program 1 times [2025-02-08 09:44:52,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:52,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098434036] [2025-02-08 09:44:52,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:52,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:52,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:44:52,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:44:52,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:52,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:44:52,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:52,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098434036] [2025-02-08 09:44:52,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098434036] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:52,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068706075] [2025-02-08 09:44:52,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:52,848 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 09:44:52,854 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 09:44:52,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:44:52,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:44:52,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:52,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:52,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:44:52,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:44:52,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:44:53,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068706075] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:53,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:53,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:44:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823646325] [2025-02-08 09:44:53,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:53,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:44:53,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:53,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:44:53,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:53,011 INFO L87 Difference]: Start difference. First operand 390 states and 443 transitions. Second operand has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:44:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:53,139 INFO L93 Difference]: Finished difference Result 1011 states and 1242 transitions. [2025-02-08 09:44:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:44:53,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 76 [2025-02-08 09:44:53,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:53,142 INFO L225 Difference]: With dead ends: 1011 [2025-02-08 09:44:53,144 INFO L226 Difference]: Without dead ends: 1009 [2025-02-08 09:44:53,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:53,145 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 54 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:53,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 146 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:53,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2025-02-08 09:44:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 989. [2025-02-08 09:44:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 926 states have (on average 1.1339092872570193) internal successors, (1050), 931 states have internal predecessors, (1050), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-08 09:44:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1154 transitions. [2025-02-08 09:44:53,203 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1154 transitions. Word has length 76 [2025-02-08 09:44:53,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:53,204 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1154 transitions. [2025-02-08 09:44:53,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.5) internal successors, (124), 9 states have internal predecessors, (124), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:44:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1154 transitions. [2025-02-08 09:44:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:44:53,205 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:53,206 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:53,215 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 09:44:53,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:53,410 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:53,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:53,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2112994946, now seen corresponding path program 1 times [2025-02-08 09:44:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516523019] [2025-02-08 09:44:53,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:53,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:44:53,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:44:53,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:53,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:44:53,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:53,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516523019] [2025-02-08 09:44:53,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516523019] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:53,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753143298] [2025-02-08 09:44:53,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:53,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:53,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:53,534 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 09:44:53,539 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 09:44:53,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:44:53,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:44:53,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:53,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:53,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:44:53,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:44:53,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 47 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:44:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753143298] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:53,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-02-08 09:44:53,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128718168] [2025-02-08 09:44:53,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:53,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:44:53,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:53,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:44:53,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:44:53,706 INFO L87 Difference]: Start difference. First operand 989 states and 1154 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:53,778 INFO L93 Difference]: Finished difference Result 1219 states and 1416 transitions. [2025-02-08 09:44:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:44:53,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 89 [2025-02-08 09:44:53,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:53,780 INFO L225 Difference]: With dead ends: 1219 [2025-02-08 09:44:53,780 INFO L226 Difference]: Without dead ends: 684 [2025-02-08 09:44:53,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:44:53,783 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 13 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:53,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 149 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:53,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-02-08 09:44:53,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 681. [2025-02-08 09:44:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 635 states have (on average 1.1118110236220473) internal successors, (706), 640 states have internal predecessors, (706), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:44:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 776 transitions. [2025-02-08 09:44:53,809 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 776 transitions. Word has length 89 [2025-02-08 09:44:53,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:53,809 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 776 transitions. [2025-02-08 09:44:53,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:44:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 776 transitions. [2025-02-08 09:44:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:44:53,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:53,810 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:53,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:44:54,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:54,014 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:54,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:54,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1996868931, now seen corresponding path program 2 times [2025-02-08 09:44:54,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:54,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636990720] [2025-02-08 09:44:54,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:54,019 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-02-08 09:44:54,026 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:44:54,028 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:54,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 14 proven. 27 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:44:54,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:54,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636990720] [2025-02-08 09:44:54,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636990720] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:54,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237987968] [2025-02-08 09:44:54,300 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:54,302 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 09:44:54,303 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 09:44:54,329 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-02-08 09:44:54,343 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:44:54,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:54,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:54,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:44:54,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:44:54,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:44:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237987968] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:54,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2025-02-08 09:44:54,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945032769] [2025-02-08 09:44:54,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:54,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:44:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:54,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:44:54,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:44:54,627 INFO L87 Difference]: Start difference. First operand 681 states and 776 transitions. Second operand has 23 states, 22 states have (on average 7.909090909090909) internal successors, (174), 22 states have internal predecessors, (174), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:44:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:55,758 INFO L93 Difference]: Finished difference Result 989 states and 1117 transitions. [2025-02-08 09:44:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-02-08 09:44:55,758 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.909090909090909) internal successors, (174), 22 states have internal predecessors, (174), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 89 [2025-02-08 09:44:55,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:55,761 INFO L225 Difference]: With dead ends: 989 [2025-02-08 09:44:55,761 INFO L226 Difference]: Without dead ends: 971 [2025-02-08 09:44:55,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1258, Invalid=4144, Unknown=0, NotChecked=0, Total=5402 [2025-02-08 09:44:55,764 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 455 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:55,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 261 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:44:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2025-02-08 09:44:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 675. [2025-02-08 09:44:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 631 states have (on average 1.057052297939778) internal successors, (667), 634 states have internal predecessors, (667), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:44:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 737 transitions. [2025-02-08 09:44:55,789 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 737 transitions. Word has length 89 [2025-02-08 09:44:55,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:55,789 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 737 transitions. [2025-02-08 09:44:55,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.909090909090909) internal successors, (174), 22 states have internal predecessors, (174), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:44:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 737 transitions. [2025-02-08 09:44:55,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 09:44:55,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:55,790 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:55,798 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 09:44:55,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:55,991 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:55,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:55,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1204914597, now seen corresponding path program 1 times [2025-02-08 09:44:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:55,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389596771] [2025-02-08 09:44:55,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:55,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:55,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:44:56,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:44:56,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:56,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:44:56,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:56,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389596771] [2025-02-08 09:44:56,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389596771] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:56,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63996584] [2025-02-08 09:44:56,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:56,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:56,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:56,051 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 09:44:56,052 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 09:44:56,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:44:56,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:44:56,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:56,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:56,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:44:56,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:44:56,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:44:56,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63996584] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:56,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:56,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:44:56,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073229674] [2025-02-08 09:44:56,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:56,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:44:56,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:56,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:44:56,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:44:56,238 INFO L87 Difference]: Start difference. First operand 675 states and 737 transitions. Second operand has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:44:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:56,347 INFO L93 Difference]: Finished difference Result 1610 states and 1789 transitions. [2025-02-08 09:44:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:44:56,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 102 [2025-02-08 09:44:56,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:56,352 INFO L225 Difference]: With dead ends: 1610 [2025-02-08 09:44:56,352 INFO L226 Difference]: Without dead ends: 1609 [2025-02-08 09:44:56,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:44:56,352 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 110 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:56,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 192 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2025-02-08 09:44:56,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1589. [2025-02-08 09:44:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1497 states have (on average 1.0668002672010688) internal successors, (1597), 1500 states have internal predecessors, (1597), 83 states have call successors, (83), 5 states have call predecessors, (83), 5 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2025-02-08 09:44:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 1763 transitions. [2025-02-08 09:44:56,420 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 1763 transitions. Word has length 102 [2025-02-08 09:44:56,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:56,420 INFO L471 AbstractCegarLoop]: Abstraction has 1589 states and 1763 transitions. [2025-02-08 09:44:56,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.6) internal successors, (166), 11 states have internal predecessors, (166), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:44:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1763 transitions. [2025-02-08 09:44:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-08 09:44:56,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:56,421 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:56,427 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 09:44:56,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:56,625 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:56,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash -983238787, now seen corresponding path program 1 times [2025-02-08 09:44:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635680406] [2025-02-08 09:44:56,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:56,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:56,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:44:56,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:44:56,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:56,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:56,688 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 80 proven. 30 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:44:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635680406] [2025-02-08 09:44:56,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635680406] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897606182] [2025-02-08 09:44:56,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:44:56,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:56,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:56,691 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 09:44:56,692 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 09:44:56,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:44:56,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:44:56,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:44:56,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:56,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:44:56,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 92 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:44:56,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 80 proven. 30 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:44:56,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897606182] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:56,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:56,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-08 09:44:56,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500382220] [2025-02-08 09:44:56,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:56,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:44:56,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:56,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:44:56,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:44:56,877 INFO L87 Difference]: Start difference. First operand 1589 states and 1763 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-08 09:44:56,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:44:56,996 INFO L93 Difference]: Finished difference Result 1670 states and 1849 transitions. [2025-02-08 09:44:56,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:44:56,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 110 [2025-02-08 09:44:56,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:44:57,000 INFO L225 Difference]: With dead ends: 1670 [2025-02-08 09:44:57,000 INFO L226 Difference]: Without dead ends: 1516 [2025-02-08 09:44:57,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 214 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:44:57,001 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 55 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:44:57,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 212 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:44:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2025-02-08 09:44:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1512. [2025-02-08 09:44:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1512 states, 1423 states have (on average 1.0583274771609277) internal successors, (1506), 1426 states have internal predecessors, (1506), 80 states have call successors, (80), 5 states have call predecessors, (80), 5 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:44:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 1666 transitions. [2025-02-08 09:44:57,080 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 1666 transitions. Word has length 110 [2025-02-08 09:44:57,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:44:57,080 INFO L471 AbstractCegarLoop]: Abstraction has 1512 states and 1666 transitions. [2025-02-08 09:44:57,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-08 09:44:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1666 transitions. [2025-02-08 09:44:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-08 09:44:57,085 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:44:57,085 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:44:57,091 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 09:44:57,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:57,290 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:44:57,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:44:57,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2118793859, now seen corresponding path program 2 times [2025-02-08 09:44:57,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:44:57,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014060383] [2025-02-08 09:44:57,290 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:57,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:44:57,297 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-02-08 09:44:57,305 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:44:57,306 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:57,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:44:57,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:44:57,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014060383] [2025-02-08 09:44:57,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014060383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:44:57,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149138732] [2025-02-08 09:44:57,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:44:57,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:44:57,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:44:57,439 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 09:44:57,444 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 09:44:57,466 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-02-08 09:44:57,484 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:44:57,485 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:44:57,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:44:57,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:44:57,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:44:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:44:57,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:44:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:44:57,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149138732] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:44:57,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:44:57,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 32 [2025-02-08 09:44:57,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932297992] [2025-02-08 09:44:57,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:44:57,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 09:44:57,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:44:57,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 09:44:57,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=795, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:44:57,971 INFO L87 Difference]: Start difference. First operand 1512 states and 1666 transitions. Second operand has 32 states, 32 states have (on average 9.8125) internal successors, (314), 32 states have internal predecessors, (314), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2025-02-08 09:45:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:01,299 INFO L93 Difference]: Finished difference Result 5237 states and 5758 transitions. [2025-02-08 09:45:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2025-02-08 09:45:01,300 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 32 states have internal predecessors, (314), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) Word has length 133 [2025-02-08 09:45:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:01,310 INFO L225 Difference]: With dead ends: 5237 [2025-02-08 09:45:01,310 INFO L226 Difference]: Without dead ends: 4301 [2025-02-08 09:45:01,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16576 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=5428, Invalid=35984, Unknown=0, NotChecked=0, Total=41412 [2025-02-08 09:45:01,320 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 885 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:01,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 629 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:45:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2025-02-08 09:45:01,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 3550. [2025-02-08 09:45:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3550 states, 3350 states have (on average 1.0486567164179104) internal successors, (3513), 3363 states have internal predecessors, (3513), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 173 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-08 09:45:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 3879 transitions. [2025-02-08 09:45:01,462 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 3879 transitions. Word has length 133 [2025-02-08 09:45:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:01,464 INFO L471 AbstractCegarLoop]: Abstraction has 3550 states and 3879 transitions. [2025-02-08 09:45:01,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 32 states have internal predecessors, (314), 18 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 18 states have call predecessors, (21), 18 states have call successors, (21) [2025-02-08 09:45:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 3879 transitions. [2025-02-08 09:45:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 09:45:01,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:01,466 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:01,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:01,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 09:45:01,667 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:01,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash 84695485, now seen corresponding path program 3 times [2025-02-08 09:45:01,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886784010] [2025-02-08 09:45:01,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:01,674 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 156 statements into 7 equivalence classes. [2025-02-08 09:45:01,696 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:45:01,696 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:45:01,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:01,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396290091] [2025-02-08 09:45:01,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:01,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:01,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:01,700 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 09:45:01,708 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 09:45:01,730 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 156 statements into 7 equivalence classes. [2025-02-08 09:45:01,742 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 64 of 156 statements. [2025-02-08 09:45:01,742 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:45:01,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:01,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:45:01,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 131 proven. 8 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2025-02-08 09:45:01,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:01,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886784010] [2025-02-08 09:45:01,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396290091] [2025-02-08 09:45:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396290091] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:01,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:45:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089807071] [2025-02-08 09:45:01,945 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:01,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:45:01,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:01,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:45:01,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:45:01,946 INFO L87 Difference]: Start difference. First operand 3550 states and 3879 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:45:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:02,093 INFO L93 Difference]: Finished difference Result 3555 states and 3881 transitions. [2025-02-08 09:45:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:45:02,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 156 [2025-02-08 09:45:02,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:02,102 INFO L225 Difference]: With dead ends: 3555 [2025-02-08 09:45:02,102 INFO L226 Difference]: Without dead ends: 3551 [2025-02-08 09:45:02,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:02,103 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 19 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:02,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 115 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2025-02-08 09:45:02,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 3538. [2025-02-08 09:45:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 3338 states have (on average 1.0464349910125823) internal successors, (3493), 3352 states have internal predecessors, (3493), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-08 09:45:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 3859 transitions. [2025-02-08 09:45:02,211 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 3859 transitions. Word has length 156 [2025-02-08 09:45:02,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:02,211 INFO L471 AbstractCegarLoop]: Abstraction has 3538 states and 3859 transitions. [2025-02-08 09:45:02,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:45:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 3859 transitions. [2025-02-08 09:45:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 09:45:02,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:02,214 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:02,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:45:02,414 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,SelfDestructingSolverStorable25 [2025-02-08 09:45:02,414 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:02,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash 648967514, now seen corresponding path program 1 times [2025-02-08 09:45:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:02,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396293243] [2025-02-08 09:45:02,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:02,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 09:45:02,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:45:02,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:02,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429266498] [2025-02-08 09:45:02,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:02,438 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 09:45:02,445 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 09:45:02,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-02-08 09:45:02,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:45:02,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:02,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 09:45:02,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 15 proven. 288 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-02-08 09:45:03,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:03,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:03,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396293243] [2025-02-08 09:45:03,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:03,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429266498] [2025-02-08 09:45:03,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429266498] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:03,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:03,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2025-02-08 09:45:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843754857] [2025-02-08 09:45:03,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:03,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-08 09:45:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:03,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-08 09:45:03,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=732, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:45:03,833 INFO L87 Difference]: Start difference. First operand 3538 states and 3859 transitions. Second operand has 25 states, 23 states have (on average 5.565217391304348) internal successors, (128), 23 states have internal predecessors, (128), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:05,094 INFO L93 Difference]: Finished difference Result 3713 states and 4048 transitions. [2025-02-08 09:45:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-02-08 09:45:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 5.565217391304348) internal successors, (128), 23 states have internal predecessors, (128), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 156 [2025-02-08 09:45:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:05,117 INFO L225 Difference]: With dead ends: 3713 [2025-02-08 09:45:05,117 INFO L226 Difference]: Without dead ends: 3712 [2025-02-08 09:45:05,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=412, Invalid=1844, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 09:45:05,123 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 149 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:05,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 514 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:45:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2025-02-08 09:45:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3538. [2025-02-08 09:45:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 3338 states have (on average 1.0461354104254044) internal successors, (3492), 3352 states have internal predecessors, (3492), 183 states have call successors, (183), 13 states have call predecessors, (183), 13 states have return successors, (183), 172 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-08 09:45:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 3858 transitions. [2025-02-08 09:45:05,336 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 3858 transitions. Word has length 156 [2025-02-08 09:45:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:05,337 INFO L471 AbstractCegarLoop]: Abstraction has 3538 states and 3858 transitions. [2025-02-08 09:45:05,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 5.565217391304348) internal successors, (128), 23 states have internal predecessors, (128), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 3858 transitions. [2025-02-08 09:45:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-08 09:45:05,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:05,338 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:05,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:45:05,542 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,SelfDestructingSolverStorable26 [2025-02-08 09:45:05,542 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:05,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:05,542 INFO L85 PathProgramCache]: Analyzing trace with hash -306147907, now seen corresponding path program 2 times [2025-02-08 09:45:05,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:05,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894946792] [2025-02-08 09:45:05,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:05,547 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 156 statements into 2 equivalence classes. [2025-02-08 09:45:05,558 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:45:05,559 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:05,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:05,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877540311] [2025-02-08 09:45:05,559 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:05,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:05,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:05,563 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 09:45:05,568 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 09:45:05,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 156 statements into 2 equivalence classes. [2025-02-08 09:45:05,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-02-08 09:45:05,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:05,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:05,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:45:05,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-02-08 09:45:05,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:10,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:10,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894946792] [2025-02-08 09:45:10,204 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:10,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877540311] [2025-02-08 09:45:10,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877540311] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:10,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:10,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:45:10,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957251958] [2025-02-08 09:45:10,205 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:10,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:45:10,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:10,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:45:10,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=92, Unknown=1, NotChecked=0, Total=132 [2025-02-08 09:45:10,206 INFO L87 Difference]: Start difference. First operand 3538 states and 3858 transitions. Second operand has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:45:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:10,495 INFO L93 Difference]: Finished difference Result 3911 states and 4265 transitions. [2025-02-08 09:45:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:45:10,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 156 [2025-02-08 09:45:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:10,504 INFO L225 Difference]: With dead ends: 3911 [2025-02-08 09:45:10,504 INFO L226 Difference]: Without dead ends: 3907 [2025-02-08 09:45:10,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=39, Invalid=92, Unknown=1, NotChecked=0, Total=132 [2025-02-08 09:45:10,506 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 21 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:10,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 299 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:10,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3907 states. [2025-02-08 09:45:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3907 to 3509. [2025-02-08 09:45:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3509 states, 3310 states have (on average 1.0456193353474321) internal successors, (3461), 3324 states have internal predecessors, (3461), 182 states have call successors, (182), 13 states have call predecessors, (182), 13 states have return successors, (182), 171 states have call predecessors, (182), 182 states have call successors, (182) [2025-02-08 09:45:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 3509 states and 3825 transitions. [2025-02-08 09:45:10,615 INFO L78 Accepts]: Start accepts. Automaton has 3509 states and 3825 transitions. Word has length 156 [2025-02-08 09:45:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:10,616 INFO L471 AbstractCegarLoop]: Abstraction has 3509 states and 3825 transitions. [2025-02-08 09:45:10,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:45:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 3825 transitions. [2025-02-08 09:45:10,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 09:45:10,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:10,618 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:10,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:10,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:45:10,822 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:10,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:10,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1964766063, now seen corresponding path program 2 times [2025-02-08 09:45:10,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:10,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097092785] [2025-02-08 09:45:10,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:10,828 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-02-08 09:45:10,837 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:45:10,837 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:10,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:10,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097092785] [2025-02-08 09:45:10,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097092785] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114181033] [2025-02-08 09:45:10,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:10,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:10,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:10,963 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:10,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:45:10,994 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-02-08 09:45:11,017 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:45:11,018 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:11,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:11,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:45:11,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:11,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:11,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114181033] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:11,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:11,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-02-08 09:45:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249875800] [2025-02-08 09:45:11,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:11,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:45:11,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:11,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:45:11,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:11,465 INFO L87 Difference]: Start difference. First operand 3509 states and 3825 transitions. Second operand has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:45:11,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:11,718 INFO L93 Difference]: Finished difference Result 4940 states and 5483 transitions. [2025-02-08 09:45:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:45:11,720 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 168 [2025-02-08 09:45:11,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:11,731 INFO L225 Difference]: With dead ends: 4940 [2025-02-08 09:45:11,731 INFO L226 Difference]: Without dead ends: 4939 [2025-02-08 09:45:11,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:11,733 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 20 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:11,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 234 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:11,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2025-02-08 09:45:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2025-02-08 09:45:11,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4665 states have (on average 1.0471596998928188) internal successors, (4885), 4678 states have internal predecessors, (4885), 257 states have call successors, (257), 13 states have call predecessors, (257), 13 states have return successors, (257), 247 states have call predecessors, (257), 257 states have call successors, (257) [2025-02-08 09:45:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5399 transitions. [2025-02-08 09:45:11,887 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5399 transitions. Word has length 168 [2025-02-08 09:45:11,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:11,887 INFO L471 AbstractCegarLoop]: Abstraction has 4939 states and 5399 transitions. [2025-02-08 09:45:11,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 16.75) internal successors, (268), 17 states have internal predecessors, (268), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:45:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5399 transitions. [2025-02-08 09:45:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-02-08 09:45:11,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:11,889 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:11,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:12,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:45:12,090 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:12,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:12,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1892770619, now seen corresponding path program 3 times [2025-02-08 09:45:12,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690266486] [2025-02-08 09:45:12,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:12,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:12,096 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 8 equivalence classes. [2025-02-08 09:45:12,112 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 156 of 179 statements. [2025-02-08 09:45:12,113 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:45:12,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 263 proven. 115 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2025-02-08 09:45:12,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690266486] [2025-02-08 09:45:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690266486] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:12,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075770534] [2025-02-08 09:45:12,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:12,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:12,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:12,200 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:12,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:45:12,226 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 8 equivalence classes. [2025-02-08 09:45:12,261 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 110 of 179 statements. [2025-02-08 09:45:12,261 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 09:45:12,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:12,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:45:12,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 228 proven. 69 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2025-02-08 09:45:12,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075770534] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:12,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:12,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:45:12,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812353634] [2025-02-08 09:45:12,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:12,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:45:12,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:12,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:45:12,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:45:12,858 INFO L87 Difference]: Start difference. First operand 4939 states and 5399 transitions. Second operand has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2025-02-08 09:45:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:13,654 INFO L93 Difference]: Finished difference Result 9379 states and 10285 transitions. [2025-02-08 09:45:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:45:13,654 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 179 [2025-02-08 09:45:13,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:13,684 INFO L225 Difference]: With dead ends: 9379 [2025-02-08 09:45:13,684 INFO L226 Difference]: Without dead ends: 5737 [2025-02-08 09:45:13,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:45:13,696 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 144 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:13,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 750 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:45:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5737 states. [2025-02-08 09:45:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5737 to 4291. [2025-02-08 09:45:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 4047 states have (on average 1.039288361749444) internal successors, (4206), 4061 states have internal predecessors, (4206), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 216 states have call predecessors, (227), 227 states have call successors, (227) [2025-02-08 09:45:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 4660 transitions. [2025-02-08 09:45:13,890 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 4660 transitions. Word has length 179 [2025-02-08 09:45:13,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:13,890 INFO L471 AbstractCegarLoop]: Abstraction has 4291 states and 4660 transitions. [2025-02-08 09:45:13,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.866666666666667) internal successors, (193), 15 states have internal predecessors, (193), 9 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2025-02-08 09:45:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 4660 transitions. [2025-02-08 09:45:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 09:45:13,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:13,892 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:13,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:14,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:14,093 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:14,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1937670649, now seen corresponding path program 4 times [2025-02-08 09:45:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913723836] [2025-02-08 09:45:14,094 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:14,100 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:45:14,115 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:45:14,116 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:14,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:14,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1148121575] [2025-02-08 09:45:14,117 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:14,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:14,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:14,120 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:14,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:45:14,144 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:45:14,178 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:45:14,178 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:14,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:14,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-02-08 09:45:14,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 33 proven. 522 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-02-08 09:45:16,200 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:16,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:16,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913723836] [2025-02-08 09:45:16,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:16,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148121575] [2025-02-08 09:45:16,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148121575] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:16,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:16,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2025-02-08 09:45:16,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957787850] [2025-02-08 09:45:16,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:16,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 09:45:16,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:16,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 09:45:16,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1101, Unknown=0, NotChecked=0, Total=1332 [2025-02-08 09:45:16,498 INFO L87 Difference]: Start difference. First operand 4291 states and 4660 transitions. Second operand has 32 states, 30 states have (on average 5.466666666666667) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:17,994 INFO L93 Difference]: Finished difference Result 4718 states and 5108 transitions. [2025-02-08 09:45:17,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-02-08 09:45:17,994 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 5.466666666666667) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 202 [2025-02-08 09:45:17,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:18,005 INFO L225 Difference]: With dead ends: 4718 [2025-02-08 09:45:18,005 INFO L226 Difference]: Without dead ends: 4717 [2025-02-08 09:45:18,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=661, Invalid=2879, Unknown=0, NotChecked=0, Total=3540 [2025-02-08 09:45:18,008 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 171 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:18,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 712 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:45:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4717 states. [2025-02-08 09:45:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4717 to 4291. [2025-02-08 09:45:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 4047 states have (on average 1.0390412651346677) internal successors, (4205), 4061 states have internal predecessors, (4205), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 216 states have call predecessors, (227), 227 states have call successors, (227) [2025-02-08 09:45:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 4659 transitions. [2025-02-08 09:45:18,152 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 4659 transitions. Word has length 202 [2025-02-08 09:45:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:18,152 INFO L471 AbstractCegarLoop]: Abstraction has 4291 states and 4659 transitions. [2025-02-08 09:45:18,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 5.466666666666667) internal successors, (164), 29 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 4659 transitions. [2025-02-08 09:45:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 09:45:18,155 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:18,155 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:18,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:45:18,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-08 09:45:18,360 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:18,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:18,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1236857979, now seen corresponding path program 5 times [2025-02-08 09:45:18,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:18,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634087574] [2025-02-08 09:45:18,360 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:18,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:18,368 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-02-08 09:45:18,391 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:45:18,391 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-02-08 09:45:18,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:18,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919049540] [2025-02-08 09:45:18,393 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:18,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:18,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:18,396 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:18,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:45:18,419 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-02-08 09:45:18,455 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:45:18,455 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-02-08 09:45:18,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:18,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-02-08 09:45:18,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 12 proven. 544 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-02-08 09:45:20,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:20,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634087574] [2025-02-08 09:45:20,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919049540] [2025-02-08 09:45:20,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919049540] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:20,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:20,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2025-02-08 09:45:20,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860708913] [2025-02-08 09:45:20,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:20,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-02-08 09:45:20,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:20,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-08 09:45:20,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1186, Unknown=0, NotChecked=0, Total=1332 [2025-02-08 09:45:20,505 INFO L87 Difference]: Start difference. First operand 4291 states and 4659 transitions. Second operand has 33 states, 32 states have (on average 5.125) internal successors, (164), 31 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:22,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:22,506 INFO L93 Difference]: Finished difference Result 4526 states and 4916 transitions. [2025-02-08 09:45:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-08 09:45:22,507 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.125) internal successors, (164), 31 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 202 [2025-02-08 09:45:22,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:22,516 INFO L225 Difference]: With dead ends: 4526 [2025-02-08 09:45:22,516 INFO L226 Difference]: Without dead ends: 4525 [2025-02-08 09:45:22,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 179 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=255, Invalid=2097, Unknown=0, NotChecked=0, Total=2352 [2025-02-08 09:45:22,518 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 70 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 3404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:22,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 1522 Invalid, 3404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-08 09:45:22,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4525 states. [2025-02-08 09:45:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4525 to 4291. [2025-02-08 09:45:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 4047 states have (on average 1.0387941685198914) internal successors, (4204), 4061 states have internal predecessors, (4204), 227 states have call successors, (227), 13 states have call predecessors, (227), 13 states have return successors, (227), 216 states have call predecessors, (227), 227 states have call successors, (227) [2025-02-08 09:45:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 4658 transitions. [2025-02-08 09:45:22,667 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 4658 transitions. Word has length 202 [2025-02-08 09:45:22,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:22,667 INFO L471 AbstractCegarLoop]: Abstraction has 4291 states and 4658 transitions. [2025-02-08 09:45:22,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.125) internal successors, (164), 31 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 4658 transitions. [2025-02-08 09:45:22,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2025-02-08 09:45:22,669 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:22,670 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:22,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:45:22,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:22,874 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:22,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:22,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1787442379, now seen corresponding path program 2 times [2025-02-08 09:45:22,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:22,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286638397] [2025-02-08 09:45:22,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:22,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:22,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 217 statements into 2 equivalence classes. [2025-02-08 09:45:22,888 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 217 of 217 statements. [2025-02-08 09:45:22,889 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:22,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:23,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:23,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286638397] [2025-02-08 09:45:23,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286638397] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:23,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196447829] [2025-02-08 09:45:23,025 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:23,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:23,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:23,032 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:23,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:45:23,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 217 statements into 2 equivalence classes. [2025-02-08 09:45:23,103 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 217 of 217 statements. [2025-02-08 09:45:23,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:23,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:23,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:45:23,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:23,254 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:23,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:23,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196447829] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:23,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:23,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-02-08 09:45:23,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124692694] [2025-02-08 09:45:23,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:23,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:45:23,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:23,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:45:23,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:23,527 INFO L87 Difference]: Start difference. First operand 4291 states and 4658 transitions. Second operand has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-08 09:45:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:24,122 INFO L93 Difference]: Finished difference Result 11595 states and 12540 transitions. [2025-02-08 09:45:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:45:24,122 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 217 [2025-02-08 09:45:24,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:24,142 INFO L225 Difference]: With dead ends: 11595 [2025-02-08 09:45:24,142 INFO L226 Difference]: Without dead ends: 11594 [2025-02-08 09:45:24,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:24,145 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 378 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:24,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 379 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11594 states. [2025-02-08 09:45:24,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11594 to 7650. [2025-02-08 09:45:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7650 states, 7229 states have (on average 1.0449578088255638) internal successors, (7554), 7242 states have internal predecessors, (7554), 404 states have call successors, (404), 13 states have call predecessors, (404), 13 states have return successors, (404), 394 states have call predecessors, (404), 404 states have call successors, (404) [2025-02-08 09:45:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7650 states to 7650 states and 8362 transitions. [2025-02-08 09:45:24,428 INFO L78 Accepts]: Start accepts. Automaton has 7650 states and 8362 transitions. Word has length 217 [2025-02-08 09:45:24,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:24,428 INFO L471 AbstractCegarLoop]: Abstraction has 7650 states and 8362 transitions. [2025-02-08 09:45:24,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.3) internal successors, (346), 21 states have internal predecessors, (346), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-08 09:45:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 7650 states and 8362 transitions. [2025-02-08 09:45:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-02-08 09:45:24,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:24,431 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:24,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:45:24,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:24,635 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:24,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash -487020412, now seen corresponding path program 6 times [2025-02-08 09:45:24,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:24,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545097054] [2025-02-08 09:45:24,636 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:24,644 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 225 statements into 10 equivalence classes. [2025-02-08 09:45:24,659 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 225 of 225 statements. [2025-02-08 09:45:24,660 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-02-08 09:45:24,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:24,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:24,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545097054] [2025-02-08 09:45:24,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545097054] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:24,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463008655] [2025-02-08 09:45:24,839 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:24,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:24,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:24,846 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:24,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:45:24,873 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 225 statements into 10 equivalence classes. [2025-02-08 09:45:24,917 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 179 of 225 statements. [2025-02-08 09:45:24,917 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-02-08 09:45:24,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:24,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:45:24,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 508 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2025-02-08 09:45:25,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463008655] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:25,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:25,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2025-02-08 09:45:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065189178] [2025-02-08 09:45:25,464 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:25,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:45:25,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:25,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:45:25,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:25,465 INFO L87 Difference]: Start difference. First operand 7650 states and 8362 transitions. Second operand has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:45:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:26,507 INFO L93 Difference]: Finished difference Result 17592 states and 19307 transitions. [2025-02-08 09:45:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:45:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 225 [2025-02-08 09:45:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:26,531 INFO L225 Difference]: With dead ends: 17592 [2025-02-08 09:45:26,532 INFO L226 Difference]: Without dead ends: 12475 [2025-02-08 09:45:26,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=909, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:45:26,539 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 167 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:26,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1202 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:45:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12475 states. [2025-02-08 09:45:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12475 to 8933. [2025-02-08 09:45:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8933 states, 8445 states have (on average 1.0442865600947306) internal successors, (8819), 8458 states have internal predecessors, (8819), 471 states have call successors, (471), 13 states have call predecessors, (471), 13 states have return successors, (471), 461 states have call predecessors, (471), 471 states have call successors, (471) [2025-02-08 09:45:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8933 states to 8933 states and 9761 transitions. [2025-02-08 09:45:26,928 INFO L78 Accepts]: Start accepts. Automaton has 8933 states and 9761 transitions. Word has length 225 [2025-02-08 09:45:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:26,928 INFO L471 AbstractCegarLoop]: Abstraction has 8933 states and 9761 transitions. [2025-02-08 09:45:26,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.631578947368421) internal successors, (278), 19 states have internal predecessors, (278), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:45:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 8933 states and 9761 transitions. [2025-02-08 09:45:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2025-02-08 09:45:26,930 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:26,930 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:26,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:45:27,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:45:27,131 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:27,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:27,131 INFO L85 PathProgramCache]: Analyzing trace with hash -348951326, now seen corresponding path program 7 times [2025-02-08 09:45:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:27,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626796680] [2025-02-08 09:45:27,131 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:27,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-02-08 09:45:27,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-02-08 09:45:27,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:27,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 183 proven. 499 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:27,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:27,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626796680] [2025-02-08 09:45:27,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626796680] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:27,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138881126] [2025-02-08 09:45:27,301 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:27,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:27,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:27,303 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:27,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:45:27,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 225 statements into 1 equivalence classes. [2025-02-08 09:45:27,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 225 of 225 statements. [2025-02-08 09:45:27,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:27,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:27,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:45:27,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:27,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:27,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138881126] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:27,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:27,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2025-02-08 09:45:27,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457885749] [2025-02-08 09:45:27,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:27,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:45:27,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:27,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:45:27,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:45:27,840 INFO L87 Difference]: Start difference. First operand 8933 states and 9761 transitions. Second operand has 18 states, 18 states have (on average 15.722222222222221) internal successors, (283), 18 states have internal predecessors, (283), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:45:28,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:28,382 INFO L93 Difference]: Finished difference Result 10381 states and 11325 transitions. [2025-02-08 09:45:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:45:28,382 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.722222222222221) internal successors, (283), 18 states have internal predecessors, (283), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 225 [2025-02-08 09:45:28,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:28,405 INFO L225 Difference]: With dead ends: 10381 [2025-02-08 09:45:28,405 INFO L226 Difference]: Without dead ends: 8804 [2025-02-08 09:45:28,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 435 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:45:28,415 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 49 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:28,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 566 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:45:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8804 states. [2025-02-08 09:45:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8804 to 8796. [2025-02-08 09:45:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 8315 states have (on average 1.041852074564041) internal successors, (8663), 8327 states have internal predecessors, (8663), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 455 states have call predecessors, (464), 464 states have call successors, (464) [2025-02-08 09:45:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 9591 transitions. [2025-02-08 09:45:28,679 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 9591 transitions. Word has length 225 [2025-02-08 09:45:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:28,680 INFO L471 AbstractCegarLoop]: Abstraction has 8796 states and 9591 transitions. [2025-02-08 09:45:28,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.722222222222221) internal successors, (283), 18 states have internal predecessors, (283), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:45:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 9591 transitions. [2025-02-08 09:45:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-02-08 09:45:28,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:28,682 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:28,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:28,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:45:28,882 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:28,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2064166824, now seen corresponding path program 8 times [2025-02-08 09:45:28,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:28,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038789453] [2025-02-08 09:45:28,883 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:28,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:28,889 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-02-08 09:45:28,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-02-08 09:45:28,907 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:28,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:28,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632685400] [2025-02-08 09:45:28,909 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:28,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:28,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:28,915 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:28,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:45:28,942 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-02-08 09:45:28,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-02-08 09:45:28,976 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:28,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:28,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:45:28,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 755 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2025-02-08 09:45:29,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:33,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:33,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038789453] [2025-02-08 09:45:33,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:33,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632685400] [2025-02-08 09:45:33,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632685400] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:33,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:33,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:45:33,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172797414] [2025-02-08 09:45:33,458 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:33,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:45:33,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:33,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:45:33,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=199, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:45:33,458 INFO L87 Difference]: Start difference. First operand 8796 states and 9591 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:33,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:34,000 INFO L93 Difference]: Finished difference Result 9744 states and 10587 transitions. [2025-02-08 09:45:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:45:34,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 248 [2025-02-08 09:45:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:34,026 INFO L225 Difference]: With dead ends: 9744 [2025-02-08 09:45:34,030 INFO L226 Difference]: Without dead ends: 9743 [2025-02-08 09:45:34,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=72, Invalid=199, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:45:34,032 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 22 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:34,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 740 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:34,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9743 states. [2025-02-08 09:45:34,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9743 to 8796. [2025-02-08 09:45:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 8315 states have (on average 1.0417318099819604) internal successors, (8662), 8327 states have internal predecessors, (8662), 464 states have call successors, (464), 13 states have call predecessors, (464), 13 states have return successors, (464), 455 states have call predecessors, (464), 464 states have call successors, (464) [2025-02-08 09:45:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 9590 transitions. [2025-02-08 09:45:34,682 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 9590 transitions. Word has length 248 [2025-02-08 09:45:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:34,683 INFO L471 AbstractCegarLoop]: Abstraction has 8796 states and 9590 transitions. [2025-02-08 09:45:34,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 9590 transitions. [2025-02-08 09:45:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-02-08 09:45:34,686 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:34,686 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:34,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-08 09:45:34,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:45:34,887 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:34,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:34,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1473752125, now seen corresponding path program 9 times [2025-02-08 09:45:34,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:34,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723823248] [2025-02-08 09:45:34,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:34,896 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 248 statements into 11 equivalence classes. [2025-02-08 09:45:34,915 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 248 of 248 statements. [2025-02-08 09:45:34,915 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 09:45:34,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:34,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995620094] [2025-02-08 09:45:34,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:34,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:34,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:34,922 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:34,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:45:34,950 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 248 statements into 11 equivalence classes. [2025-02-08 09:45:34,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 156 of 248 statements. [2025-02-08 09:45:34,993 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:45:34,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:34,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:45:34,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:35,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 677 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2025-02-08 09:45:35,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:35,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:35,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723823248] [2025-02-08 09:45:35,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:35,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995620094] [2025-02-08 09:45:35,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995620094] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:35,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:35,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:45:35,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569456041] [2025-02-08 09:45:35,478 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:35,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:45:35,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:35,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:45:35,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:45:35,479 INFO L87 Difference]: Start difference. First operand 8796 states and 9590 transitions. Second operand has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:36,244 INFO L93 Difference]: Finished difference Result 14108 states and 15417 transitions. [2025-02-08 09:45:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:45:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 248 [2025-02-08 09:45:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:36,256 INFO L225 Difference]: With dead ends: 14108 [2025-02-08 09:45:36,256 INFO L226 Difference]: Without dead ends: 9065 [2025-02-08 09:45:36,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:45:36,260 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 110 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:36,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 727 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:45:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9065 states. [2025-02-08 09:45:36,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9065 to 8775. [2025-02-08 09:45:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8775 states, 8295 states have (on average 1.0413502109704642) internal successors, (8638), 8308 states have internal predecessors, (8638), 463 states have call successors, (463), 13 states have call predecessors, (463), 13 states have return successors, (463), 453 states have call predecessors, (463), 463 states have call successors, (463) [2025-02-08 09:45:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8775 states to 8775 states and 9564 transitions. [2025-02-08 09:45:36,518 INFO L78 Accepts]: Start accepts. Automaton has 8775 states and 9564 transitions. Word has length 248 [2025-02-08 09:45:36,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:36,519 INFO L471 AbstractCegarLoop]: Abstraction has 8775 states and 9564 transitions. [2025-02-08 09:45:36,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.11111111111111) internal successors, (127), 10 states have internal predecessors, (127), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 8775 states and 9564 transitions. [2025-02-08 09:45:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2025-02-08 09:45:36,522 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:36,522 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:36,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:36,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:36,723 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-08 09:45:36,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:36,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1484009576, now seen corresponding path program 3 times [2025-02-08 09:45:36,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:36,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817873249] [2025-02-08 09:45:36,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:36,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:36,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 294 statements into 13 equivalence classes. [2025-02-08 09:45:36,752 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 294 of 294 statements. [2025-02-08 09:45:36,753 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 09:45:36,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1158 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2025-02-08 09:45:37,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:37,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817873249] [2025-02-08 09:45:37,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817873249] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:37,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687204631] [2025-02-08 09:45:37,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:37,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:37,885 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:37,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:45:37,915 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 294 statements into 13 equivalence classes. [2025-02-08 09:45:37,988 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 271 of 294 statements. [2025-02-08 09:45:37,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-08 09:45:37,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:37,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-02-08 09:45:37,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 72 proven. 1139 refuted. 11 times theorem prover too weak. 204 trivial. 0 not checked. [2025-02-08 09:45:44,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:44,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687204631] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:44,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:44,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 27] total 62 [2025-02-08 09:45:44,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637127810] [2025-02-08 09:45:44,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:44,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-02-08 09:45:44,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:44,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-02-08 09:45:44,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3818, Unknown=1, NotChecked=0, Total=4290 [2025-02-08 09:45:44,991 INFO L87 Difference]: Start difference. First operand 8775 states and 9564 transitions. Second operand has 62 states, 62 states have (on average 6.790322580645161) internal successors, (421), 62 states have internal predecessors, (421), 23 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (27), 24 states have call predecessors, (27), 23 states have call successors, (27) [2025-02-08 09:45:46,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:46:07,035 WARN L539 Checker$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 09:46:11,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:46:15,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]