./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.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/egcd2-ll_unwindbound10.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 aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:25:56,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:25:56,546 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:25:56,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:25:56,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:25:56,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:25:56,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:25:56,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:25:56,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:25:56,587 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:25:56,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:25:56,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:25:56,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:25:56,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:25:56,589 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:25:56,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:25:56,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:25:56,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:25:56,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:25:56,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:25:56,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:25:56,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:25:56,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:25:56,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:25:56,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:25:56,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:25:56,593 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 -> aa34b6970b46b2c3f1bda76d086482188f10831dd44cba913e5171769601c6f3 [2025-02-08 09:25:56,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:25:56,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:25:56,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:25:56,855 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:25:56,855 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:25:56,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2025-02-08 09:25:58,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6d12dae73/9e5aaccfd00b4ccab9122af557570153/FLAG5b6b2b76e [2025-02-08 09:25:58,379 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:25:58,379 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound10.c [2025-02-08 09:25:58,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6d12dae73/9e5aaccfd00b4ccab9122af557570153/FLAG5b6b2b76e [2025-02-08 09:25:58,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6d12dae73/9e5aaccfd00b4ccab9122af557570153 [2025-02-08 09:25:58,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:25:58,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:25:58,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:25:58,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:25:58,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:25:58,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c88d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58, skipping insertion in model container [2025-02-08 09:25:58,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:25:58,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:25:58,598 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:25:58,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:25:58,625 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:25:58,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58 WrapperNode [2025-02-08 09:25:58,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:25:58,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:25:58,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:25:58,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:25:58,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,651 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2025-02-08 09:25:58,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:25:58,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:25:58,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:25:58,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:25:58,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,674 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 09:25:58,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:25:58,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:25:58,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:25:58,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:25:58,683 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (1/1) ... [2025-02-08 09:25:58,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:25:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:58,716 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 09:25:58,723 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 09:25:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:25:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:25:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:25:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:25:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:25:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:25:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:25:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:25:58,790 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:25:58,792 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:25:59,355 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2025-02-08 09:25:59,356 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:25:59,372 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:25:59,372 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:25:59,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:25:59 BoogieIcfgContainer [2025-02-08 09:25:59,372 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:25:59,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:25:59,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:25:59,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:25:59,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:25:58" (1/3) ... [2025-02-08 09:25:59,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a7d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:25:59, skipping insertion in model container [2025-02-08 09:25:59,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:25:58" (2/3) ... [2025-02-08 09:25:59,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255a7d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:25:59, skipping insertion in model container [2025-02-08 09:25:59,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:25:59" (3/3) ... [2025-02-08 09:25:59,384 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound10.c [2025-02-08 09:25:59,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:25:59,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound10.c that has 3 procedures, 166 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2025-02-08 09:25:59,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:25:59,469 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;@72c2c3df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:25:59,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2025-02-08 09:25:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:25:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:25:59,481 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:59,482 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:59,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:25:59,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2071839965, now seen corresponding path program 1 times [2025-02-08 09:25:59,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:59,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327251838] [2025-02-08 09:25:59,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:59,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:25:59,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:25:59,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:59,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:59,610 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 09:25:59,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:59,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327251838] [2025-02-08 09:25:59,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327251838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:59,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796360133] [2025-02-08 09:25:59,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:59,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:59,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:59,617 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 09:25:59,619 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 09:25:59,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:25:59,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:25:59,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:59,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:59,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:25:59,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:59,685 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 09:25:59,685 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796360133] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:59,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:25:59,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397325537] [2025-02-08 09:25:59,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:59,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:25:59,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:59,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:25:59,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:25:59,713 INFO L87 Difference]: Start difference. First operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 09:25:59,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:59,746 INFO L93 Difference]: Finished difference Result 329 states and 369 transitions. [2025-02-08 09:25:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:25:59,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 13 [2025-02-08 09:25:59,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:59,756 INFO L225 Difference]: With dead ends: 329 [2025-02-08 09:25:59,756 INFO L226 Difference]: Without dead ends: 161 [2025-02-08 09:25:59,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 09:25:59,766 INFO L435 NwaCegarLoop]: 176 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, 176 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 09:25:59,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:25:59,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-02-08 09:25:59,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-02-08 09:25:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 150 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:25:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2025-02-08 09:25:59,808 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 13 [2025-02-08 09:25:59,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:59,809 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2025-02-08 09:25:59,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 09:25:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2025-02-08 09:25:59,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:25:59,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:59,810 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:59,817 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 09:26:00,013 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 09:26:00,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:00,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1876249981, now seen corresponding path program 1 times [2025-02-08 09:26:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:00,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914429313] [2025-02-08 09:26:00,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:00,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:26:00,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:26:00,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:00,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [894074010] [2025-02-08 09:26:00,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:00,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:00,043 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 09:26:00,046 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 09:26:00,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:26:00,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:26:00,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:00,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:26:00,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:00,212 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 09:26:00,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:00,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:00,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914429313] [2025-02-08 09:26:00,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:00,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894074010] [2025-02-08 09:26:00,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894074010] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:00,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:00,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:26:00,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501332827] [2025-02-08 09:26:00,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:00,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:26:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:00,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:26:00,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:00,221 INFO L87 Difference]: Start difference. First operand 161 states and 171 transitions. Second operand has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:26:00,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:00,579 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2025-02-08 09:26:00,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:00,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-02-08 09:26:00,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:00,581 INFO L225 Difference]: With dead ends: 161 [2025-02-08 09:26:00,582 INFO L226 Difference]: Without dead ends: 160 [2025-02-08 09:26:00,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:00,583 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 130 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:00,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 266 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:00,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-08 09:26:00,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-02-08 09:26:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 83 states have (on average 1.8313253012048192) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:26:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2025-02-08 09:26:00,615 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 13 [2025-02-08 09:26:00,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:00,616 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2025-02-08 09:26:00,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:26:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2025-02-08 09:26:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:26:00,617 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:00,617 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:00,624 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 09:26:00,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:00,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:00,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1965792607, now seen corresponding path program 1 times [2025-02-08 09:26:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:00,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127509532] [2025-02-08 09:26:00,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:00,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:26:00,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:26:00,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:00,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [320908653] [2025-02-08 09:26:00,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:00,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:00,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:00,840 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 09:26:00,847 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 09:26:00,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:26:00,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:26:00,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:00,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:00,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:26:00,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:00,950 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 09:26:00,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:01,137 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 09:26:01,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:01,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127509532] [2025-02-08 09:26:01,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:01,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320908653] [2025-02-08 09:26:01,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320908653] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:01,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:01,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 09:26:01,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467156174] [2025-02-08 09:26:01,138 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:01,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:01,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:01,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:01,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:01,139 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:26:01,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:01,452 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2025-02-08 09:26:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:26:01,453 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 14 [2025-02-08 09:26:01,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:01,454 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:26:01,454 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:26:01,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:01,455 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 206 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:01,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 189 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:01,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:26:01,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-02-08 09:26:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.819277108433735) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:26:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2025-02-08 09:26:01,465 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 14 [2025-02-08 09:26:01,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:01,466 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2025-02-08 09:26:01,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:26:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2025-02-08 09:26:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:26:01,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:01,467 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:01,475 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 09:26:01,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:01,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:01,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:01,672 INFO L85 PathProgramCache]: Analyzing trace with hash 658918879, now seen corresponding path program 1 times [2025-02-08 09:26:01,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:01,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485979199] [2025-02-08 09:26:01,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:01,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:26:01,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:26:01,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:01,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113409301] [2025-02-08 09:26:01,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:01,698 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 09:26:01,701 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 09:26:01,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:26:01,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:26:01,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:01,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:01,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:01,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:26:01,793 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485979199] [2025-02-08 09:26:01,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113409301] [2025-02-08 09:26:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113409301] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:01,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:01,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:26:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505366606] [2025-02-08 09:26:01,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:01,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:01,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:01,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:26:01,794 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:26:02,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:02,044 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2025-02-08 09:26:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:26:02,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-08 09:26:02,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:02,046 INFO L225 Difference]: With dead ends: 159 [2025-02-08 09:26:02,046 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 09:26:02,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:26:02,048 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 226 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:02,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 324 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:02,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 09:26:02,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-02-08 09:26:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.8072289156626506) internal successors, (150), 147 states have internal predecessors, (150), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:26:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2025-02-08 09:26:02,061 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 16 [2025-02-08 09:26:02,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:02,062 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2025-02-08 09:26:02,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:26:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2025-02-08 09:26:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:26:02,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:02,063 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:02,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:26:02,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:02,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:02,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:02,264 INFO L85 PathProgramCache]: Analyzing trace with hash -880768487, now seen corresponding path program 1 times [2025-02-08 09:26:02,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:02,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541433990] [2025-02-08 09:26:02,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:02,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:02,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:26:02,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:26:02,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:02,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:02,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:02,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541433990] [2025-02-08 09:26:02,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541433990] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:02,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:02,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:02,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904832623] [2025-02-08 09:26:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:02,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:02,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:02,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:02,401 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:02,430 INFO L93 Difference]: Finished difference Result 199 states and 210 transitions. [2025-02-08 09:26:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-02-08 09:26:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:02,432 INFO L225 Difference]: With dead ends: 199 [2025-02-08 09:26:02,432 INFO L226 Difference]: Without dead ends: 198 [2025-02-08 09:26:02,432 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 09:26:02,433 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 48 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:02,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 467 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2025-02-08 09:26:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 174. [2025-02-08 09:26:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 161 states have internal predecessors, (173), 10 states have call successors, (10), 3 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 09:26:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2025-02-08 09:26:02,443 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 28 [2025-02-08 09:26:02,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:02,443 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2025-02-08 09:26:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2025-02-08 09:26:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:26:02,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:02,444 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:02,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:26:02,444 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:02,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:02,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1534019207, now seen corresponding path program 1 times [2025-02-08 09:26:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:02,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352274876] [2025-02-08 09:26:02,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:02,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:26:02,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:26:02,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:02,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:02,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352274876] [2025-02-08 09:26:02,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352274876] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:02,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:02,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:02,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398954837] [2025-02-08 09:26:02,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:02,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:02,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:02,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:02,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:02,526 INFO L87 Difference]: Start difference. First operand 174 states and 193 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:02,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:02,590 INFO L93 Difference]: Finished difference Result 204 states and 221 transitions. [2025-02-08 09:26:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:02,591 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-02-08 09:26:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:02,593 INFO L225 Difference]: With dead ends: 204 [2025-02-08 09:26:02,593 INFO L226 Difference]: Without dead ends: 174 [2025-02-08 09:26:02,593 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 09:26:02,594 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:02,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 470 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:02,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-02-08 09:26:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-02-08 09:26:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 161 states have internal predecessors, (171), 10 states have call successors, (10), 3 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 09:26:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 191 transitions. [2025-02-08 09:26:02,611 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 191 transitions. Word has length 29 [2025-02-08 09:26:02,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:02,611 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 191 transitions. [2025-02-08 09:26:02,611 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2025-02-08 09:26:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:26:02,612 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:02,612 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:02,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:26:02,612 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:02,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:02,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1514055291, now seen corresponding path program 1 times [2025-02-08 09:26:02,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:02,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784469053] [2025-02-08 09:26:02,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:02,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:02,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:26:02,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:26:02,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:02,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:02,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:02,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784469053] [2025-02-08 09:26:02,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784469053] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:02,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311497600] [2025-02-08 09:26:02,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:02,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:02,747 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 09:26:02,749 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 09:26:02,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:26:02,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:26:02,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:02,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:02,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:02,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:02,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:02,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311497600] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:02,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:02,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-02-08 09:26:02,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777765745] [2025-02-08 09:26:02,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:02,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:02,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:02,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:02,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:02,830 INFO L87 Difference]: Start difference. First operand 174 states and 191 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 09:26:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:03,067 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2025-02-08 09:26:03,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:03,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 32 [2025-02-08 09:26:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:03,069 INFO L225 Difference]: With dead ends: 276 [2025-02-08 09:26:03,069 INFO L226 Difference]: Without dead ends: 266 [2025-02-08 09:26:03,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:03,070 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 95 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:03,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:03,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-02-08 09:26:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2025-02-08 09:26:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 209 states have internal predecessors, (255), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 283 transitions. [2025-02-08 09:26:03,087 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 283 transitions. Word has length 32 [2025-02-08 09:26:03,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:03,087 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 283 transitions. [2025-02-08 09:26:03,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 09:26:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 283 transitions. [2025-02-08 09:26:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:26:03,088 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:03,088 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:03,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:26:03,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:03,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:03,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:03,289 INFO L85 PathProgramCache]: Analyzing trace with hash 308931702, now seen corresponding path program 1 times [2025-02-08 09:26:03,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:03,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328837741] [2025-02-08 09:26:03,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:03,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:26:03,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:26:03,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:03,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:03,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328837741] [2025-02-08 09:26:03,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328837741] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:03,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:03,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:26:03,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388894599] [2025-02-08 09:26:03,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:03,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:03,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:03,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:03,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:26:03,385 INFO L87 Difference]: Start difference. First operand 226 states and 283 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:03,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:03,455 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2025-02-08 09:26:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:03,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-02-08 09:26:03,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:03,457 INFO L225 Difference]: With dead ends: 226 [2025-02-08 09:26:03,457 INFO L226 Difference]: Without dead ends: 224 [2025-02-08 09:26:03,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:03,458 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 157 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:03,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 468 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:03,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-02-08 09:26:03,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2025-02-08 09:26:03,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.7379310344827585) internal successors, (252), 207 states have internal predecessors, (252), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 280 transitions. [2025-02-08 09:26:03,468 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 280 transitions. Word has length 33 [2025-02-08 09:26:03,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:03,468 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 280 transitions. [2025-02-08 09:26:03,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 280 transitions. [2025-02-08 09:26:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:26:03,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:03,470 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 09:26:03,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:26:03,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:03,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:03,471 INFO L85 PathProgramCache]: Analyzing trace with hash 986778467, now seen corresponding path program 1 times [2025-02-08 09:26:03,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:03,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585438222] [2025-02-08 09:26:03,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:03,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:03,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:26:03,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:26:03,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:03,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:03,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:03,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585438222] [2025-02-08 09:26:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585438222] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:03,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714299281] [2025-02-08 09:26:03,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:03,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:03,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:03,593 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 09:26:03,595 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 09:26:03,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:26:03,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:26:03,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:03,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:03,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:03,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:03,716 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:03,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714299281] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:03,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:03,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:03,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327128910] [2025-02-08 09:26:03,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:03,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:03,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:03,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:03,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:03,717 INFO L87 Difference]: Start difference. First operand 224 states and 280 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:26:03,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:03,990 INFO L93 Difference]: Finished difference Result 254 states and 303 transitions. [2025-02-08 09:26:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:03,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 34 [2025-02-08 09:26:03,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:03,992 INFO L225 Difference]: With dead ends: 254 [2025-02-08 09:26:03,992 INFO L226 Difference]: Without dead ends: 251 [2025-02-08 09:26:03,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:03,994 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 281 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:03,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 168 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-02-08 09:26:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 224. [2025-02-08 09:26:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.717241379310345) internal successors, (249), 207 states have internal predecessors, (249), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 277 transitions. [2025-02-08 09:26:04,006 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 277 transitions. Word has length 34 [2025-02-08 09:26:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:04,007 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 277 transitions. [2025-02-08 09:26:04,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:26:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2025-02-08 09:26:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:26:04,009 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:04,009 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 09:26:04,018 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 09:26:04,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-08 09:26:04,210 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:04,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:04,210 INFO L85 PathProgramCache]: Analyzing trace with hash 986948272, now seen corresponding path program 1 times [2025-02-08 09:26:04,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:04,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678245265] [2025-02-08 09:26:04,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:04,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:04,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:26:04,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:26:04,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:04,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:04,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678245265] [2025-02-08 09:26:04,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678245265] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:04,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:04,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:26:04,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798184916] [2025-02-08 09:26:04,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:04,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:04,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:04,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:26:04,285 INFO L87 Difference]: Start difference. First operand 224 states and 277 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:04,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:04,346 INFO L93 Difference]: Finished difference Result 388 states and 446 transitions. [2025-02-08 09:26:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:04,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-02-08 09:26:04,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:04,348 INFO L225 Difference]: With dead ends: 388 [2025-02-08 09:26:04,348 INFO L226 Difference]: Without dead ends: 243 [2025-02-08 09:26:04,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:04,349 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 39 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:04,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 752 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:26:04,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-02-08 09:26:04,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 228. [2025-02-08 09:26:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6979865771812082) internal successors, (253), 211 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 281 transitions. [2025-02-08 09:26:04,359 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 281 transitions. Word has length 34 [2025-02-08 09:26:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:04,360 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 281 transitions. [2025-02-08 09:26:04,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2025-02-08 09:26:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:26:04,361 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:04,361 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 09:26:04,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:26:04,361 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:04,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:04,362 INFO L85 PathProgramCache]: Analyzing trace with hash 525361394, now seen corresponding path program 1 times [2025-02-08 09:26:04,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:04,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571835405] [2025-02-08 09:26:04,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:04,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:04,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:26:04,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:26:04,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:04,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:04,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:04,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571835405] [2025-02-08 09:26:04,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571835405] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:04,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971979524] [2025-02-08 09:26:04,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:04,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:04,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:04,496 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 09:26:04,498 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 09:26:04,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:26:04,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:26:04,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:04,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:04,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:04,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:04,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:04,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971979524] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:04,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:04,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:04,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810424432] [2025-02-08 09:26:04,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:04,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:04,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:04,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:04,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:04,625 INFO L87 Difference]: Start difference. First operand 228 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 09:26:05,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:05,001 INFO L93 Difference]: Finished difference Result 242 states and 292 transitions. [2025-02-08 09:26:05,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:05,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 35 [2025-02-08 09:26:05,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:05,004 INFO L225 Difference]: With dead ends: 242 [2025-02-08 09:26:05,005 INFO L226 Difference]: Without dead ends: 241 [2025-02-08 09:26:05,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:05,006 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 63 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:05,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 220 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-02-08 09:26:05,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 228. [2025-02-08 09:26:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.691275167785235) internal successors, (252), 211 states have internal predecessors, (252), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2025-02-08 09:26:05,019 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 35 [2025-02-08 09:26:05,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:05,019 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2025-02-08 09:26:05,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 09:26:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2025-02-08 09:26:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:26:05,020 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:05,020 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 09:26:05,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:26:05,220 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 09:26:05,221 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:05,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:05,221 INFO L85 PathProgramCache]: Analyzing trace with hash -893665983, now seen corresponding path program 1 times [2025-02-08 09:26:05,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:05,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050066286] [2025-02-08 09:26:05,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:05,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:05,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:26:05,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:26:05,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:05,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:05,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:05,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050066286] [2025-02-08 09:26:05,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050066286] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:05,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067401481] [2025-02-08 09:26:05,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:05,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:05,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:05,317 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 09:26:05,319 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 09:26:05,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:26:05,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:26:05,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:05,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:05,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:05,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:05,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:05,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067401481] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:05,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:05,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:05,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715958273] [2025-02-08 09:26:05,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:05,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:05,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:05,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:05,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:05,410 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 09:26:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:05,815 INFO L93 Difference]: Finished difference Result 286 states and 322 transitions. [2025-02-08 09:26:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:05,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 36 [2025-02-08 09:26:05,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:05,817 INFO L225 Difference]: With dead ends: 286 [2025-02-08 09:26:05,817 INFO L226 Difference]: Without dead ends: 284 [2025-02-08 09:26:05,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:05,818 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:05,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 253 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:05,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2025-02-08 09:26:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 228. [2025-02-08 09:26:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 211 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:26:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 278 transitions. [2025-02-08 09:26:05,833 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 278 transitions. Word has length 36 [2025-02-08 09:26:05,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:05,833 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 278 transitions. [2025-02-08 09:26:05,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 09:26:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 278 transitions. [2025-02-08 09:26:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:26:05,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:05,837 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 09:26:05,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:26:06,037 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 09:26:06,037 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:06,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:06,038 INFO L85 PathProgramCache]: Analyzing trace with hash -730479826, now seen corresponding path program 1 times [2025-02-08 09:26:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:06,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100591590] [2025-02-08 09:26:06,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:06,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:26:06,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:26:06,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:06,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:06,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222347976] [2025-02-08 09:26:06,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:06,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:06,052 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 09:26:06,055 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 09:26:06,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:26:06,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:26:06,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:06,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:06,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:06,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:06,115 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:06,115 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:06,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100591590] [2025-02-08 09:26:06,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:06,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222347976] [2025-02-08 09:26:06,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222347976] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:06,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:06,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:06,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104275191] [2025-02-08 09:26:06,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:06,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:06,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:06,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:06,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:06,117 INFO L87 Difference]: Start difference. First operand 228 states and 278 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:06,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:06,209 INFO L93 Difference]: Finished difference Result 377 states and 475 transitions. [2025-02-08 09:26:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:06,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-02-08 09:26:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:06,212 INFO L225 Difference]: With dead ends: 377 [2025-02-08 09:26:06,212 INFO L226 Difference]: Without dead ends: 369 [2025-02-08 09:26:06,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 09:26:06,213 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 85 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:06,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 284 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:06,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-08 09:26:06,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 329. [2025-02-08 09:26:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.7024793388429753) internal successors, (412), 304 states have internal predecessors, (412), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 456 transitions. [2025-02-08 09:26:06,231 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 456 transitions. Word has length 36 [2025-02-08 09:26:06,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:06,231 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 456 transitions. [2025-02-08 09:26:06,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:26:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2025-02-08 09:26:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:26:06,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:06,232 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 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 09:26:06,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:26:06,436 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 09:26:06,436 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:06,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1933841712, now seen corresponding path program 1 times [2025-02-08 09:26:06,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:06,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913450205] [2025-02-08 09:26:06,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:06,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:26:06,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:26:06,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:06,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:06,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:06,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913450205] [2025-02-08 09:26:06,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913450205] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:06,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283043500] [2025-02-08 09:26:06,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:06,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:06,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:06,533 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 09:26:06,534 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 09:26:06,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:26:06,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:26:06,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:06,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:06,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:06,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:06,663 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:06,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283043500] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:06,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072883996] [2025-02-08 09:26:06,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:06,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:06,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:06,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:06,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:06,665 INFO L87 Difference]: Start difference. First operand 329 states and 456 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 09:26:07,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:07,316 INFO L93 Difference]: Finished difference Result 376 states and 478 transitions. [2025-02-08 09:26:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:07,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 37 [2025-02-08 09:26:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:07,319 INFO L225 Difference]: With dead ends: 376 [2025-02-08 09:26:07,319 INFO L226 Difference]: Without dead ends: 372 [2025-02-08 09:26:07,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:07,320 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 153 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:07,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 255 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-02-08 09:26:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 329. [2025-02-08 09:26:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.677685950413223) internal successors, (406), 304 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 450 transitions. [2025-02-08 09:26:07,347 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 450 transitions. Word has length 37 [2025-02-08 09:26:07,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:07,347 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 450 transitions. [2025-02-08 09:26:07,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 09:26:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2025-02-08 09:26:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:26:07,348 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:07,348 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 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 09:26:07,355 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 09:26:07,548 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 09:26:07,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:07,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:07,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1911440468, now seen corresponding path program 1 times [2025-02-08 09:26:07,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:07,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330316401] [2025-02-08 09:26:07,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:07,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:26:07,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:26:07,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:07,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:07,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:07,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330316401] [2025-02-08 09:26:07,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330316401] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:07,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142692609] [2025-02-08 09:26:07,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:07,642 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 09:26:07,644 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 09:26:07,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:26:07,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:26:07,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:07,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:07,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:26:07,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:07,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142692609] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:07,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:07,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-02-08 09:26:07,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147853461] [2025-02-08 09:26:07,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:07,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:07,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:07,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:07,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:07,768 INFO L87 Difference]: Start difference. First operand 329 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 09:26:08,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:08,289 INFO L93 Difference]: Finished difference Result 393 states and 462 transitions. [2025-02-08 09:26:08,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:08,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 38 [2025-02-08 09:26:08,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:08,292 INFO L225 Difference]: With dead ends: 393 [2025-02-08 09:26:08,292 INFO L226 Difference]: Without dead ends: 392 [2025-02-08 09:26:08,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:08,293 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 437 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:08,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 319 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:08,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-08 09:26:08,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-02-08 09:26:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6735537190082646) internal successors, (405), 304 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 449 transitions. [2025-02-08 09:26:08,312 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 449 transitions. Word has length 38 [2025-02-08 09:26:08,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:08,313 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 449 transitions. [2025-02-08 09:26:08,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 09:26:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2025-02-08 09:26:08,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:26:08,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:08,313 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 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 09:26:08,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:26:08,518 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 09:26:08,519 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:08,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash 874887728, now seen corresponding path program 1 times [2025-02-08 09:26:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130758476] [2025-02-08 09:26:08,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:08,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:08,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:26:08,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:26:08,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:08,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:08,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813088446] [2025-02-08 09:26:08,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:08,541 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 09:26:08,543 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 09:26:08,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:26:08,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:26:08,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:08,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:08,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:26:08,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:08,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:08,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:08,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130758476] [2025-02-08 09:26:08,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:08,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813088446] [2025-02-08 09:26:08,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813088446] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:08,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:08,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296860565] [2025-02-08 09:26:08,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:08,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:08,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:08,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:08,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:08,657 INFO L87 Difference]: Start difference. First operand 329 states and 449 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 09:26:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:09,065 INFO L93 Difference]: Finished difference Result 393 states and 461 transitions. [2025-02-08 09:26:09,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:09,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 39 [2025-02-08 09:26:09,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:09,068 INFO L225 Difference]: With dead ends: 393 [2025-02-08 09:26:09,068 INFO L226 Difference]: Without dead ends: 392 [2025-02-08 09:26:09,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:09,068 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 434 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:09,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 318 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-08 09:26:09,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-02-08 09:26:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6694214876033058) internal successors, (404), 304 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 448 transitions. [2025-02-08 09:26:09,082 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 448 transitions. Word has length 39 [2025-02-08 09:26:09,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:09,083 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 448 transitions. [2025-02-08 09:26:09,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 09:26:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 448 transitions. [2025-02-08 09:26:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:26:09,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:09,083 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 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 09:26:09,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:26:09,284 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 09:26:09,285 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:09,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:09,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1093139850, now seen corresponding path program 1 times [2025-02-08 09:26:09,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:09,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975724168] [2025-02-08 09:26:09,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:09,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:09,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:09,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:09,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:09,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:09,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975724168] [2025-02-08 09:26:09,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975724168] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:09,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817071520] [2025-02-08 09:26:09,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:09,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:09,362 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 09:26:09,364 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 09:26:09,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:26:09,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:26:09,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:09,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:09,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:09,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:09,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:09,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817071520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:09,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:09,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:09,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689727858] [2025-02-08 09:26:09,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:09,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:09,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:09,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:09,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:09,480 INFO L87 Difference]: Start difference. First operand 329 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:09,694 INFO L93 Difference]: Finished difference Result 358 states and 460 transitions. [2025-02-08 09:26:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:09,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2025-02-08 09:26:09,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:09,696 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:26:09,696 INFO L226 Difference]: Without dead ends: 356 [2025-02-08 09:26:09,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:09,697 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 184 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:09,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:09,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-02-08 09:26:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 330. [2025-02-08 09:26:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6584362139917694) internal successors, (403), 304 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 447 transitions. [2025-02-08 09:26:09,713 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 447 transitions. Word has length 43 [2025-02-08 09:26:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:09,714 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 447 transitions. [2025-02-08 09:26:09,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 447 transitions. [2025-02-08 09:26:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:26:09,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:09,715 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:09,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:26:09,916 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 09:26:09,916 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:09,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:09,916 INFO L85 PathProgramCache]: Analyzing trace with hash -472403038, now seen corresponding path program 1 times [2025-02-08 09:26:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:09,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848003983] [2025-02-08 09:26:09,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:09,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:09,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:09,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:09,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:09,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:09,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848003983] [2025-02-08 09:26:09,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848003983] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:09,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451444862] [2025-02-08 09:26:09,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:09,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:09,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:09,993 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 09:26:09,995 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 09:26:10,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:26:10,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:26:10,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:10,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:10,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:10,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:10,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:10,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451444862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:10,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:10,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:10,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453035212] [2025-02-08 09:26:10,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:10,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:10,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:10,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:10,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:10,134 INFO L87 Difference]: Start difference. First operand 330 states and 447 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:10,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:10,298 INFO L93 Difference]: Finished difference Result 358 states and 457 transitions. [2025-02-08 09:26:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:10,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2025-02-08 09:26:10,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:10,300 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:26:10,301 INFO L226 Difference]: Without dead ends: 356 [2025-02-08 09:26:10,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:10,302 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 183 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:10,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-02-08 09:26:10,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 331. [2025-02-08 09:26:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6475409836065573) internal successors, (402), 305 states have internal predecessors, (402), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 446 transitions. [2025-02-08 09:26:10,320 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 446 transitions. Word has length 44 [2025-02-08 09:26:10,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:10,321 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 446 transitions. [2025-02-08 09:26:10,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:10,321 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 446 transitions. [2025-02-08 09:26:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:26:10,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:10,322 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:10,329 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 09:26:10,525 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 09:26:10,526 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:10,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:10,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1759592312, now seen corresponding path program 1 times [2025-02-08 09:26:10,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:10,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859132033] [2025-02-08 09:26:10,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:10,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:10,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:26:10,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:26:10,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:10,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:10,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859132033] [2025-02-08 09:26:10,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859132033] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062816563] [2025-02-08 09:26:10,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:10,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:10,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:10,603 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 09:26:10,606 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 09:26:10,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:26:10,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:26:10,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:10,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:10,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:26:10,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:10,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:10,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062816563] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:10,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:10,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-02-08 09:26:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715777802] [2025-02-08 09:26:10,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:10,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:10,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:10,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:10,679 INFO L87 Difference]: Start difference. First operand 331 states and 446 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:10,772 INFO L93 Difference]: Finished difference Result 372 states and 464 transitions. [2025-02-08 09:26:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:10,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-08 09:26:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:10,775 INFO L225 Difference]: With dead ends: 372 [2025-02-08 09:26:10,775 INFO L226 Difference]: Without dead ends: 368 [2025-02-08 09:26:10,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:10,776 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 81 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:10,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 296 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:10,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-08 09:26:10,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 333. [2025-02-08 09:26:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 246 states have (on average 1.6260162601626016) internal successors, (400), 307 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 444 transitions. [2025-02-08 09:26:10,793 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 444 transitions. Word has length 45 [2025-02-08 09:26:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:10,793 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 444 transitions. [2025-02-08 09:26:10,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 444 transitions. [2025-02-08 09:26:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:26:10,794 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:10,794 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:10,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:26:10,998 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 09:26:11,000 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:11,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:11,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1248902022, now seen corresponding path program 1 times [2025-02-08 09:26:11,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:11,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522647500] [2025-02-08 09:26:11,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:11,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:26:11,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:26:11,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:11,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:11,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522647500] [2025-02-08 09:26:11,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522647500] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907729553] [2025-02-08 09:26:11,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:11,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:11,087 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 09:26:11,089 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 09:26:11,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:26:11,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:26:11,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:11,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:11,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:11,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:11,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:11,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907729553] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:11,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:11,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:11,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178573934] [2025-02-08 09:26:11,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:11,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:11,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:11,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:11,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:11,198 INFO L87 Difference]: Start difference. First operand 333 states and 444 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:11,332 INFO L93 Difference]: Finished difference Result 370 states and 458 transitions. [2025-02-08 09:26:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:11,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2025-02-08 09:26:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:11,334 INFO L225 Difference]: With dead ends: 370 [2025-02-08 09:26:11,334 INFO L226 Difference]: Without dead ends: 368 [2025-02-08 09:26:11,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:11,336 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 142 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:11,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 307 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:11,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-08 09:26:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 334. [2025-02-08 09:26:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 308 states have internal predecessors, (399), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:26:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 443 transitions. [2025-02-08 09:26:11,356 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 443 transitions. Word has length 47 [2025-02-08 09:26:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:11,356 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 443 transitions. [2025-02-08 09:26:11,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 443 transitions. [2025-02-08 09:26:11,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:26:11,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:11,357 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:11,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:11,557 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 09:26:11,557 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:11,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:11,558 INFO L85 PathProgramCache]: Analyzing trace with hash 61256990, now seen corresponding path program 1 times [2025-02-08 09:26:11,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:11,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663426397] [2025-02-08 09:26:11,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:11,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:11,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:26:11,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:26:11,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:11,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:26:11,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:11,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663426397] [2025-02-08 09:26:11,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663426397] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:11,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082143496] [2025-02-08 09:26:11,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:11,642 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 09:26:11,645 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 09:26:11,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:26:11,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:26:11,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:11,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:11,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:11,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:26:11,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:11,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082143496] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:11,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:11,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:26:11,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305308464] [2025-02-08 09:26:11,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:11,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:11,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:11,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:11,796 INFO L87 Difference]: Start difference. First operand 334 states and 443 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:12,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:12,033 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2025-02-08 09:26:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:12,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2025-02-08 09:26:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:12,034 INFO L225 Difference]: With dead ends: 370 [2025-02-08 09:26:12,034 INFO L226 Difference]: Without dead ends: 351 [2025-02-08 09:26:12,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:12,035 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 140 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:12,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 311 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-08 09:26:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 318. [2025-02-08 09:26:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6394849785407726) internal successors, (382), 294 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 424 transitions. [2025-02-08 09:26:12,048 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 424 transitions. Word has length 48 [2025-02-08 09:26:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:12,048 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 424 transitions. [2025-02-08 09:26:12,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:26:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 424 transitions. [2025-02-08 09:26:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:26:12,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:12,049 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:12,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:26:12,249 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 09:26:12,250 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:12,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:12,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1746333298, now seen corresponding path program 1 times [2025-02-08 09:26:12,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:12,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50067658] [2025-02-08 09:26:12,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:12,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:12,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:26:12,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:26:12,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:12,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:12,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69059665] [2025-02-08 09:26:12,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:12,266 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 09:26:12,268 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 09:26:12,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:26:12,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:26:12,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:12,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:12,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:12,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:26:12,437 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:12,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:12,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50067658] [2025-02-08 09:26:12,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:12,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69059665] [2025-02-08 09:26:12,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69059665] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:12,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:12,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:12,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029955931] [2025-02-08 09:26:12,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:12,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:12,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:12,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:12,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:12,439 INFO L87 Difference]: Start difference. First operand 318 states and 424 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:12,625 INFO L93 Difference]: Finished difference Result 343 states and 445 transitions. [2025-02-08 09:26:12,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:12,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2025-02-08 09:26:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:12,627 INFO L225 Difference]: With dead ends: 343 [2025-02-08 09:26:12,627 INFO L226 Difference]: Without dead ends: 342 [2025-02-08 09:26:12,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 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 09:26:12,631 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 219 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:12,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 168 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:12,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-02-08 09:26:12,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 318. [2025-02-08 09:26:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6351931330472103) internal successors, (381), 294 states have internal predecessors, (381), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 423 transitions. [2025-02-08 09:26:12,645 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 423 transitions. Word has length 59 [2025-02-08 09:26:12,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:12,645 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 423 transitions. [2025-02-08 09:26:12,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:26:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 423 transitions. [2025-02-08 09:26:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 09:26:12,647 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:12,647 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:12,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:12,848 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 09:26:12,848 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:12,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:12,848 INFO L85 PathProgramCache]: Analyzing trace with hash -60553363, now seen corresponding path program 1 times [2025-02-08 09:26:12,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:12,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856847893] [2025-02-08 09:26:12,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:12,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:26:12,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:26:12,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:12,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:12,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239406723] [2025-02-08 09:26:12,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:12,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:12,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:12,863 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 09:26:12,865 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 09:26:12,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:26:12,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:26:12,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:12,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:12,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:12,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:26:13,098 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:13,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856847893] [2025-02-08 09:26:13,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:13,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239406723] [2025-02-08 09:26:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239406723] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:13,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:13,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:13,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700435736] [2025-02-08 09:26:13,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:13,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:13,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:13,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:13,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:13,100 INFO L87 Difference]: Start difference. First operand 318 states and 423 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:13,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:13,318 INFO L93 Difference]: Finished difference Result 345 states and 444 transitions. [2025-02-08 09:26:13,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:13,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2025-02-08 09:26:13,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:13,320 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:26:13,320 INFO L226 Difference]: Without dead ends: 344 [2025-02-08 09:26:13,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 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 09:26:13,321 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:13,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 341 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-08 09:26:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-02-08 09:26:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6266094420600858) internal successors, (379), 294 states have internal predecessors, (379), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 421 transitions. [2025-02-08 09:26:13,334 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 421 transitions. Word has length 69 [2025-02-08 09:26:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:13,334 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 421 transitions. [2025-02-08 09:26:13,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 421 transitions. [2025-02-08 09:26:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 09:26:13,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:13,335 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:13,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:26:13,535 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 09:26:13,536 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:13,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:13,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1877154196, now seen corresponding path program 1 times [2025-02-08 09:26:13,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:13,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691546839] [2025-02-08 09:26:13,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:13,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:13,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:26:13,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:26:13,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:13,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:13,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693895062] [2025-02-08 09:26:13,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:13,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:13,558 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 09:26:13,560 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 09:26:13,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:26:13,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:26:13,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:13,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:13,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:13,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:26:14,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691546839] [2025-02-08 09:26:14,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:14,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693895062] [2025-02-08 09:26:14,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693895062] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:14,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:14,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:14,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282150107] [2025-02-08 09:26:14,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:14,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:14,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:14,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:14,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-08 09:26:14,893 INFO L87 Difference]: Start difference. First operand 318 states and 421 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:18,899 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 09:26:20,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:20,950 INFO L93 Difference]: Finished difference Result 345 states and 442 transitions. [2025-02-08 09:26:20,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:20,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2025-02-08 09:26:20,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:20,952 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:26:20,952 INFO L226 Difference]: Without dead ends: 344 [2025-02-08 09:26:20,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-08 09:26:20,953 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:20,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 234 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 6.0s Time] [2025-02-08 09:26:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-08 09:26:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-02-08 09:26:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6180257510729614) internal successors, (377), 294 states have internal predecessors, (377), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 419 transitions. [2025-02-08 09:26:20,967 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 419 transitions. Word has length 70 [2025-02-08 09:26:20,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:20,967 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 419 transitions. [2025-02-08 09:26:20,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 419 transitions. [2025-02-08 09:26:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:26:20,968 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:20,968 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:20,977 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 09:26:21,169 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 09:26:21,169 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:21,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1937762123, now seen corresponding path program 1 times [2025-02-08 09:26:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:21,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659392695] [2025-02-08 09:26:21,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:21,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:26:21,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:26:21,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:21,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706635957] [2025-02-08 09:26:21,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:21,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:21,189 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 09:26:21,191 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 09:26:21,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:26:21,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:26:21,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:21,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:21,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:26:21,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:21,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:21,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659392695] [2025-02-08 09:26:21,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:21,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706635957] [2025-02-08 09:26:21,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706635957] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:21,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:21,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:21,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020428886] [2025-02-08 09:26:21,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:21,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:21,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:21,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:21,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:21,329 INFO L87 Difference]: Start difference. First operand 318 states and 419 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:21,633 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2025-02-08 09:26:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:21,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2025-02-08 09:26:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:21,635 INFO L225 Difference]: With dead ends: 338 [2025-02-08 09:26:21,635 INFO L226 Difference]: Without dead ends: 336 [2025-02-08 09:26:21,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 09:26:21,636 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 60 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:21,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 342 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:21,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-02-08 09:26:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-02-08 09:26:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6008583690987124) internal successors, (373), 294 states have internal predecessors, (373), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 415 transitions. [2025-02-08 09:26:21,654 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 415 transitions. Word has length 71 [2025-02-08 09:26:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:21,654 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 415 transitions. [2025-02-08 09:26:21,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 415 transitions. [2025-02-08 09:26:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:26:21,655 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:21,656 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:21,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:26:21,856 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 09:26:21,856 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:21,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:21,857 INFO L85 PathProgramCache]: Analyzing trace with hash -58916278, now seen corresponding path program 1 times [2025-02-08 09:26:21,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015628554] [2025-02-08 09:26:21,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:21,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:26:21,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:26:21,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:21,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800245422] [2025-02-08 09:26:21,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:21,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:21,871 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 09:26:21,874 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 09:26:21,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:26:21,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:26:21,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:21,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:21,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:26:21,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:26:22,028 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:22,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:22,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015628554] [2025-02-08 09:26:22,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:22,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800245422] [2025-02-08 09:26:22,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800245422] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:22,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:22,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:22,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611432804] [2025-02-08 09:26:22,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:22,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:22,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:22,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:22,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:22,029 INFO L87 Difference]: Start difference. First operand 318 states and 415 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:22,321 INFO L93 Difference]: Finished difference Result 338 states and 426 transitions. [2025-02-08 09:26:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:22,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2025-02-08 09:26:22,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:22,323 INFO L225 Difference]: With dead ends: 338 [2025-02-08 09:26:22,323 INFO L226 Difference]: Without dead ends: 336 [2025-02-08 09:26:22,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 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 09:26:22,323 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 97 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:22,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 283 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:22,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-02-08 09:26:22,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-02-08 09:26:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5836909871244635) internal successors, (369), 294 states have internal predecessors, (369), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 411 transitions. [2025-02-08 09:26:22,337 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 411 transitions. Word has length 72 [2025-02-08 09:26:22,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:22,337 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 411 transitions. [2025-02-08 09:26:22,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 411 transitions. [2025-02-08 09:26:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:26:22,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:22,338 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:22,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:22,542 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 09:26:22,542 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:22,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 880838373, now seen corresponding path program 1 times [2025-02-08 09:26:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:22,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949576611] [2025-02-08 09:26:22,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:22,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:26:22,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:26:22,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:22,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:22,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95069056] [2025-02-08 09:26:22,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:22,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:22,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:22,560 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 09:26:22,563 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 09:26:22,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:26:22,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:26:22,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:22,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:22,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:26:22,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:22,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:22,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:22,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949576611] [2025-02-08 09:26:22,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:22,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95069056] [2025-02-08 09:26:22,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95069056] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:22,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:22,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 09:26:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124454621] [2025-02-08 09:26:22,954 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:22,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:22,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:22,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:22,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:22,955 INFO L87 Difference]: Start difference. First operand 318 states and 411 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:26:23,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:23,538 INFO L93 Difference]: Finished difference Result 339 states and 413 transitions. [2025-02-08 09:26:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:23,539 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 77 [2025-02-08 09:26:23,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:23,540 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:26:23,540 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:26:23,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:23,541 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 287 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:23,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 603 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:23,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:26:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-02-08 09:26:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5708154506437768) internal successors, (366), 294 states have internal predecessors, (366), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 408 transitions. [2025-02-08 09:26:23,556 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 408 transitions. Word has length 77 [2025-02-08 09:26:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:23,557 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 408 transitions. [2025-02-08 09:26:23,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:26:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 408 transitions. [2025-02-08 09:26:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 09:26:23,559 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:23,559 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:23,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:23,763 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 09:26:23,763 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:23,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1536185828, now seen corresponding path program 1 times [2025-02-08 09:26:23,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:23,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218873668] [2025-02-08 09:26:23,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:23,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:23,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:26:23,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:26:23,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:23,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969940396] [2025-02-08 09:26:23,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:23,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:23,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:23,782 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 09:26:23,784 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 09:26:23,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:26:23,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:26:23,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:23,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:23,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:26:23,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:24,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:24,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:24,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218873668] [2025-02-08 09:26:24,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:24,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969940396] [2025-02-08 09:26:24,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969940396] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:24,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:24,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:26:24,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284653028] [2025-02-08 09:26:24,545 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:24,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:26:24,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:24,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:26:24,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:24,546 INFO L87 Difference]: Start difference. First operand 318 states and 408 transitions. Second operand has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-08 09:26:25,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:25,531 INFO L93 Difference]: Finished difference Result 339 states and 410 transitions. [2025-02-08 09:26:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:25,531 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2025-02-08 09:26:25,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:25,532 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:26:25,532 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:26:25,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:25,533 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 402 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:25,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 631 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:26:25,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:26:25,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-02-08 09:26:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.55793991416309) internal successors, (363), 294 states have internal predecessors, (363), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2025-02-08 09:26:25,547 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 78 [2025-02-08 09:26:25,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:25,548 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2025-02-08 09:26:25,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-08 09:26:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2025-02-08 09:26:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 09:26:25,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:25,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:25,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:26:25,749 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 09:26:25,750 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:25,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:25,750 INFO L85 PathProgramCache]: Analyzing trace with hash 377120451, now seen corresponding path program 1 times [2025-02-08 09:26:25,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:25,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753268700] [2025-02-08 09:26:25,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:25,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:25,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 09:26:25,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 09:26:25,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:25,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:25,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894882588] [2025-02-08 09:26:25,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:25,765 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 09:26:25,782 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 09:26:25,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 09:26:25,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 09:26:25,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:25,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:25,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:26:25,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:26,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:30,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:30,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753268700] [2025-02-08 09:26:30,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:30,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894882588] [2025-02-08 09:26:30,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894882588] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:30,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:30,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:30,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120871010] [2025-02-08 09:26:30,475 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:30,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:30,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:30,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:30,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:26:30,476 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:31,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:31,036 INFO L93 Difference]: Finished difference Result 337 states and 416 transitions. [2025-02-08 09:26:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:31,037 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2025-02-08 09:26:31,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:31,038 INFO L225 Difference]: With dead ends: 337 [2025-02-08 09:26:31,038 INFO L226 Difference]: Without dead ends: 334 [2025-02-08 09:26:31,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:26:31,039 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 190 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:31,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 394 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:26:31,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-02-08 09:26:31,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 318. [2025-02-08 09:26:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5321888412017168) internal successors, (357), 294 states have internal predecessors, (357), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 399 transitions. [2025-02-08 09:26:31,053 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 399 transitions. Word has length 79 [2025-02-08 09:26:31,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:31,053 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 399 transitions. [2025-02-08 09:26:31,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 399 transitions. [2025-02-08 09:26:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:26:31,054 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:31,054 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:31,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:26:31,255 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 09:26:31,255 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:31,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:31,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1194167870, now seen corresponding path program 1 times [2025-02-08 09:26:31,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:31,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092459866] [2025-02-08 09:26:31,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:31,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:31,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:26:31,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:26:31,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:31,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:31,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749701585] [2025-02-08 09:26:31,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:31,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:31,272 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 09:26:31,274 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 09:26:31,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:26:31,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:26:31,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:31,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:31,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:26:31,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-08 09:26:31,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:31,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:31,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092459866] [2025-02-08 09:26:31,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:31,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749701585] [2025-02-08 09:26:31,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749701585] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:31,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:31,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:26:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898418098] [2025-02-08 09:26:31,964 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:31,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:26:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:31,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:26:31,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:31,965 INFO L87 Difference]: Start difference. First operand 318 states and 399 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:32,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:32,266 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2025-02-08 09:26:32,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:32,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2025-02-08 09:26:32,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:32,268 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:26:32,268 INFO L226 Difference]: Without dead ends: 322 [2025-02-08 09:26:32,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:32,269 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 168 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:32,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 258 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:32,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-08 09:26:32,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 318. [2025-02-08 09:26:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5064377682403434) internal successors, (351), 294 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions. [2025-02-08 09:26:32,282 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 80 [2025-02-08 09:26:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:32,282 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 393 transitions. [2025-02-08 09:26:32,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:26:32,282 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions. [2025-02-08 09:26:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 09:26:32,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:32,283 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:32,291 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 09:26:32,483 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 09:26:32,484 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:32,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash 726640313, now seen corresponding path program 1 times [2025-02-08 09:26:32,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:32,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944456179] [2025-02-08 09:26:32,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:32,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 09:26:32,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 09:26:32,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:32,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:32,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944456179] [2025-02-08 09:26:32,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944456179] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:32,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:32,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:26:32,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708858625] [2025-02-08 09:26:32,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:32,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:26:32,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:32,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:26:32,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:32,525 INFO L87 Difference]: Start difference. First operand 318 states and 393 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-08 09:26:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:32,615 INFO L93 Difference]: Finished difference Result 318 states and 393 transitions. [2025-02-08 09:26:32,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:26:32,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 93 [2025-02-08 09:26:32,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:32,617 INFO L225 Difference]: With dead ends: 318 [2025-02-08 09:26:32,617 INFO L226 Difference]: Without dead ends: 317 [2025-02-08 09:26:32,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:26:32,617 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:32,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 293 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:32,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-02-08 09:26:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2025-02-08 09:26:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4892703862660943) internal successors, (347), 293 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 389 transitions. [2025-02-08 09:26:32,630 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 389 transitions. Word has length 93 [2025-02-08 09:26:32,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:32,631 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 389 transitions. [2025-02-08 09:26:32,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-08 09:26:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 389 transitions. [2025-02-08 09:26:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 09:26:32,631 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:32,631 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:32,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-02-08 09:26:32,632 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:32,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:32,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1051013241, now seen corresponding path program 1 times [2025-02-08 09:26:32,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:32,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439383175] [2025-02-08 09:26:32,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:32,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:32,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 09:26:32,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 09:26:32,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:32,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:32,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:32,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439383175] [2025-02-08 09:26:32,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439383175] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:32,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:32,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:32,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346098196] [2025-02-08 09:26:32,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:32,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:32,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:32,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:32,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:32,716 INFO L87 Difference]: Start difference. First operand 317 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:33,184 INFO L93 Difference]: Finished difference Result 325 states and 393 transitions. [2025-02-08 09:26:33,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:26:33,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2025-02-08 09:26:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:33,186 INFO L225 Difference]: With dead ends: 325 [2025-02-08 09:26:33,186 INFO L226 Difference]: Without dead ends: 324 [2025-02-08 09:26:33,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:33,187 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 273 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:33,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 223 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:33,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-08 09:26:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 317. [2025-02-08 09:26:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4849785407725322) internal successors, (346), 293 states have internal predecessors, (346), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 388 transitions. [2025-02-08 09:26:33,202 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 388 transitions. Word has length 94 [2025-02-08 09:26:33,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:33,203 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 388 transitions. [2025-02-08 09:26:33,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 388 transitions. [2025-02-08 09:26:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:26:33,203 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:33,203 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:33,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-08 09:26:33,204 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:33,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash 705271542, now seen corresponding path program 1 times [2025-02-08 09:26:33,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:33,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493378861] [2025-02-08 09:26:33,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:33,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:33,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:26:33,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:26:33,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:33,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:33,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493378861] [2025-02-08 09:26:33,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493378861] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:33,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:33,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:33,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089554987] [2025-02-08 09:26:33,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:33,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:33,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:33,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:33,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:33,318 INFO L87 Difference]: Start difference. First operand 317 states and 388 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:33,601 INFO L93 Difference]: Finished difference Result 333 states and 399 transitions. [2025-02-08 09:26:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:33,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 96 [2025-02-08 09:26:33,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:33,603 INFO L225 Difference]: With dead ends: 333 [2025-02-08 09:26:33,603 INFO L226 Difference]: Without dead ends: 332 [2025-02-08 09:26:33,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:33,604 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 15 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:33,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 534 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-02-08 09:26:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2025-02-08 09:26:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 238 states have (on average 1.4747899159663866) internal successors, (351), 298 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 393 transitions. [2025-02-08 09:26:33,618 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 393 transitions. Word has length 96 [2025-02-08 09:26:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:33,618 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 393 transitions. [2025-02-08 09:26:33,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 393 transitions. [2025-02-08 09:26:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 09:26:33,619 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:33,619 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:33,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-02-08 09:26:33,619 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:33,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:33,620 INFO L85 PathProgramCache]: Analyzing trace with hash 388581327, now seen corresponding path program 1 times [2025-02-08 09:26:33,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:33,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180533935] [2025-02-08 09:26:33,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:33,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:33,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:26:33,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:26:33,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:33,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:33,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966207829] [2025-02-08 09:26:33,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:33,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:33,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:33,639 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 09:26:33,642 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 09:26:33,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:26:33,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:26:33,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:33,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:33,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:33,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:33,864 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:33,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:33,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180533935] [2025-02-08 09:26:33,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:33,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966207829] [2025-02-08 09:26:33,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966207829] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:33,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:33,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:26:33,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366268870] [2025-02-08 09:26:33,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:33,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:26:33,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:33,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:26:33,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:26:33,865 INFO L87 Difference]: Start difference. First operand 322 states and 393 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:34,104 INFO L93 Difference]: Finished difference Result 333 states and 397 transitions. [2025-02-08 09:26:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:26:34,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2025-02-08 09:26:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:34,106 INFO L225 Difference]: With dead ends: 333 [2025-02-08 09:26:34,106 INFO L226 Difference]: Without dead ends: 332 [2025-02-08 09:26:34,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 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 09:26:34,106 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 17 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:34,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 323 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:26:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-02-08 09:26:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 324. [2025-02-08 09:26:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 240 states have (on average 1.4708333333333334) internal successors, (353), 300 states have internal predecessors, (353), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:26:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 395 transitions. [2025-02-08 09:26:34,120 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 395 transitions. Word has length 97 [2025-02-08 09:26:34,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:34,120 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 395 transitions. [2025-02-08 09:26:34,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 395 transitions. [2025-02-08 09:26:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 09:26:34,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:34,121 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:34,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:34,322 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,SelfDestructingSolverStorable33 [2025-02-08 09:26:34,322 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:34,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:34,324 INFO L85 PathProgramCache]: Analyzing trace with hash -662920367, now seen corresponding path program 1 times [2025-02-08 09:26:34,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:34,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335370110] [2025-02-08 09:26:34,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:34,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:26:34,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:26:34,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335370110] [2025-02-08 09:26:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335370110] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254393451] [2025-02-08 09:26:34,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:34,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:34,429 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 09:26:34,430 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 09:26:34,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:26:34,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:26:34,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:34,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:34,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:34,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:34,556 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:34,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:34,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254393451] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:34,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:34,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-02-08 09:26:34,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672583166] [2025-02-08 09:26:34,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:34,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:26:34,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:34,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:26:34,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:34,670 INFO L87 Difference]: Start difference. First operand 324 states and 395 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 09:26:34,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:34,879 INFO L93 Difference]: Finished difference Result 819 states and 965 transitions. [2025-02-08 09:26:34,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 09:26:34,879 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 99 [2025-02-08 09:26:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:34,881 INFO L225 Difference]: With dead ends: 819 [2025-02-08 09:26:34,881 INFO L226 Difference]: Without dead ends: 617 [2025-02-08 09:26:34,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:26:34,881 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 318 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:34,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 952 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-08 09:26:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 516. [2025-02-08 09:26:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 415 states have (on average 1.4313253012048193) internal successors, (594), 476 states have internal predecessors, (594), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 662 transitions. [2025-02-08 09:26:34,906 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 662 transitions. Word has length 99 [2025-02-08 09:26:34,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:34,906 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 662 transitions. [2025-02-08 09:26:34,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 09:26:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 662 transitions. [2025-02-08 09:26:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 09:26:34,907 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:34,907 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:34,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:35,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:35,111 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:35,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1289452850, now seen corresponding path program 1 times [2025-02-08 09:26:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:35,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725909388] [2025-02-08 09:26:35,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:35,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:35,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-08 09:26:35,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 09:26:35,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:35,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:35,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:35,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725909388] [2025-02-08 09:26:35,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725909388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:35,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:35,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:35,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397090452] [2025-02-08 09:26:35,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:35,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:35,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:35,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:35,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:35,245 INFO L87 Difference]: Start difference. First operand 516 states and 662 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:35,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:35,688 INFO L93 Difference]: Finished difference Result 531 states and 670 transitions. [2025-02-08 09:26:35,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:35,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 100 [2025-02-08 09:26:35,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:35,690 INFO L225 Difference]: With dead ends: 531 [2025-02-08 09:26:35,690 INFO L226 Difference]: Without dead ends: 530 [2025-02-08 09:26:35,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:35,691 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 17 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:35,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 537 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-02-08 09:26:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 519. [2025-02-08 09:26:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 418 states have (on average 1.430622009569378) internal successors, (598), 479 states have internal predecessors, (598), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 666 transitions. [2025-02-08 09:26:35,714 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 666 transitions. Word has length 100 [2025-02-08 09:26:35,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:35,714 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 666 transitions. [2025-02-08 09:26:35,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:26:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 666 transitions. [2025-02-08 09:26:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:26:35,716 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:35,716 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:35,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-08 09:26:35,716 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:35,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:35,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1318332683, now seen corresponding path program 1 times [2025-02-08 09:26:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:35,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318557385] [2025-02-08 09:26:35,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:35,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:35,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:26:35,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:26:35,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:35,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:35,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [159334796] [2025-02-08 09:26:35,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:35,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:35,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:35,746 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 09:26:35,748 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 09:26:35,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:26:35,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:26:35,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:35,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:35,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:26:35,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:35,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:26:35,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318557385] [2025-02-08 09:26:35,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:35,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159334796] [2025-02-08 09:26:35,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159334796] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:35,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:35,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053945013] [2025-02-08 09:26:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:35,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:35,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:35,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:35,970 INFO L87 Difference]: Start difference. First operand 519 states and 666 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:36,115 INFO L93 Difference]: Finished difference Result 530 states and 669 transitions. [2025-02-08 09:26:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:26:36,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2025-02-08 09:26:36,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:36,118 INFO L225 Difference]: With dead ends: 530 [2025-02-08 09:26:36,118 INFO L226 Difference]: Without dead ends: 529 [2025-02-08 09:26:36,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:36,119 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 68 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:36,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 462 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-02-08 09:26:36,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 521. [2025-02-08 09:26:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4285714285714286) internal successors, (600), 481 states have internal predecessors, (600), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 668 transitions. [2025-02-08 09:26:36,145 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 668 transitions. Word has length 101 [2025-02-08 09:26:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:36,145 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 668 transitions. [2025-02-08 09:26:36,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 668 transitions. [2025-02-08 09:26:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:26:36,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:36,146 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:36,155 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 09:26:36,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:36,347 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:36,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1411309681, now seen corresponding path program 1 times [2025-02-08 09:26:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:36,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864123392] [2025-02-08 09:26:36,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:36,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:36,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:26:36,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:26:36,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:36,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:36,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715253468] [2025-02-08 09:26:36,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:36,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:36,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:36,372 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 09:26:36,373 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 09:26:36,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:26:36,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:26:36,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:36,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:36,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:26:36,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:36,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:36,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864123392] [2025-02-08 09:26:36,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715253468] [2025-02-08 09:26:36,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715253468] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:36,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:36,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:36,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32537696] [2025-02-08 09:26:36,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:36,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:36,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:36,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:36,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:36,715 INFO L87 Difference]: Start difference. First operand 521 states and 668 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:37,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:37,167 INFO L93 Difference]: Finished difference Result 525 states and 668 transitions. [2025-02-08 09:26:37,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:37,167 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2025-02-08 09:26:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:37,169 INFO L225 Difference]: With dead ends: 525 [2025-02-08 09:26:37,169 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:26:37,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:37,169 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 218 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:37,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 532 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:26:37,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 521. [2025-02-08 09:26:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4142857142857144) internal successors, (594), 481 states have internal predecessors, (594), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 662 transitions. [2025-02-08 09:26:37,202 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 662 transitions. Word has length 101 [2025-02-08 09:26:37,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:37,202 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 662 transitions. [2025-02-08 09:26:37,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 662 transitions. [2025-02-08 09:26:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-08 09:26:37,204 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:37,204 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:37,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:37,405 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,SelfDestructingSolverStorable37 [2025-02-08 09:26:37,405 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:37,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:37,405 INFO L85 PathProgramCache]: Analyzing trace with hash -800927055, now seen corresponding path program 1 times [2025-02-08 09:26:37,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:37,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953006241] [2025-02-08 09:26:37,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:37,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:37,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:26:37,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:26:37,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:37,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:37,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382447967] [2025-02-08 09:26:37,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:37,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:37,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:37,428 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 09:26:37,430 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 09:26:37,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-08 09:26:37,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-08 09:26:37,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:37,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:37,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:26:37,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:37,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:37,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:37,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953006241] [2025-02-08 09:26:37,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:37,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382447967] [2025-02-08 09:26:37,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382447967] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:37,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:37,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:26:37,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027586134] [2025-02-08 09:26:37,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:37,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:37,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:37,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:37,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:37,930 INFO L87 Difference]: Start difference. First operand 521 states and 662 transitions. Second operand has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:38,328 INFO L93 Difference]: Finished difference Result 525 states and 662 transitions. [2025-02-08 09:26:38,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:38,328 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2025-02-08 09:26:38,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:38,330 INFO L225 Difference]: With dead ends: 525 [2025-02-08 09:26:38,330 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:26:38,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:38,331 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 349 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:38,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 422 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:38,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:26:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 521. [2025-02-08 09:26:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4095238095238096) internal successors, (592), 481 states have internal predecessors, (592), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 660 transitions. [2025-02-08 09:26:38,356 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 660 transitions. Word has length 102 [2025-02-08 09:26:38,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:38,356 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 660 transitions. [2025-02-08 09:26:38,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 660 transitions. [2025-02-08 09:26:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:26:38,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:38,358 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:38,365 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 09:26:38,558 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,SelfDestructingSolverStorable38 [2025-02-08 09:26:38,558 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:38,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:38,559 INFO L85 PathProgramCache]: Analyzing trace with hash 941065165, now seen corresponding path program 1 times [2025-02-08 09:26:38,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:38,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224297781] [2025-02-08 09:26:38,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:38,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:26:38,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:26:38,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:38,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:38,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:38,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224297781] [2025-02-08 09:26:38,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224297781] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:26:38,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:26:38,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:26:38,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860063549] [2025-02-08 09:26:38,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:38,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:26:38,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:38,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:26:38,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:26:38,628 INFO L87 Difference]: Start difference. First operand 521 states and 660 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-08 09:26:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:39,031 INFO L93 Difference]: Finished difference Result 556 states and 663 transitions. [2025-02-08 09:26:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:39,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2025-02-08 09:26:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:39,034 INFO L225 Difference]: With dead ends: 556 [2025-02-08 09:26:39,034 INFO L226 Difference]: Without dead ends: 555 [2025-02-08 09:26:39,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:26:39,035 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 135 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:39,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 588 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:39,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2025-02-08 09:26:39,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 521. [2025-02-08 09:26:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4) internal successors, (588), 481 states have internal predecessors, (588), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 656 transitions. [2025-02-08 09:26:39,073 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 656 transitions. Word has length 103 [2025-02-08 09:26:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:39,074 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 656 transitions. [2025-02-08 09:26:39,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-08 09:26:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 656 transitions. [2025-02-08 09:26:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 09:26:39,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:39,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:39,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-02-08 09:26:39,075 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:39,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash -891750865, now seen corresponding path program 1 times [2025-02-08 09:26:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:39,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353149123] [2025-02-08 09:26:39,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:39,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:26:39,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:26:39,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:39,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:39,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321059753] [2025-02-08 09:26:39,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:39,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:39,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:39,101 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 09:26:39,106 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 09:26:39,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:26:39,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:26:39,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:39,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:39,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:26:39,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:39,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-02-08 09:26:39,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353149123] [2025-02-08 09:26:39,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:39,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321059753] [2025-02-08 09:26:39,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321059753] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:39,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:39,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-02-08 09:26:39,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757115157] [2025-02-08 09:26:39,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:26:39,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:39,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:39,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:39,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:39,519 INFO L87 Difference]: Start difference. First operand 521 states and 656 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:39,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:39,919 INFO L93 Difference]: Finished difference Result 528 states and 657 transitions. [2025-02-08 09:26:39,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:39,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 104 [2025-02-08 09:26:39,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:39,922 INFO L225 Difference]: With dead ends: 528 [2025-02-08 09:26:39,922 INFO L226 Difference]: Without dead ends: 527 [2025-02-08 09:26:39,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:26:39,923 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 250 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:39,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 314 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2025-02-08 09:26:39,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 521. [2025-02-08 09:26:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.3904761904761904) internal successors, (584), 481 states have internal predecessors, (584), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-08 09:26:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 652 transitions. [2025-02-08 09:26:39,950 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 652 transitions. Word has length 104 [2025-02-08 09:26:39,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:39,951 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 652 transitions. [2025-02-08 09:26:39,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:26:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 652 transitions. [2025-02-08 09:26:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 09:26:39,952 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:39,952 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:39,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:40,156 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,SelfDestructingSolverStorable40 [2025-02-08 09:26:40,156 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:40,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:40,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1105719309, now seen corresponding path program 1 times [2025-02-08 09:26:40,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:40,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050283930] [2025-02-08 09:26:40,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:40,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:40,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:40,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:40,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:40,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050283930] [2025-02-08 09:26:40,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050283930] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:40,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477987068] [2025-02-08 09:26:40,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:40,252 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 09:26:40,253 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 09:26:40,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:26:40,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:26:40,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:40,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:40,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:40,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:40,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:40,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477987068] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:40,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:40,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-02-08 09:26:40,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600240153] [2025-02-08 09:26:40,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:40,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:26:40,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:40,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:26:40,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:26:40,572 INFO L87 Difference]: Start difference. First operand 521 states and 652 transitions. Second operand has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 09:26:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:40,730 INFO L93 Difference]: Finished difference Result 873 states and 1063 transitions. [2025-02-08 09:26:40,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:26:40,731 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 106 [2025-02-08 09:26:40,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:40,733 INFO L225 Difference]: With dead ends: 873 [2025-02-08 09:26:40,733 INFO L226 Difference]: Without dead ends: 665 [2025-02-08 09:26:40,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:26:40,734 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 125 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:40,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1143 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:26:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2025-02-08 09:26:40,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 588. [2025-02-08 09:26:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 482 states have (on average 1.4211618257261411) internal successors, (685), 543 states have internal predecessors, (685), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-08 09:26:40,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 761 transitions. [2025-02-08 09:26:40,763 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 761 transitions. Word has length 106 [2025-02-08 09:26:40,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:40,763 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 761 transitions. [2025-02-08 09:26:40,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-08 09:26:40,764 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 761 transitions. [2025-02-08 09:26:40,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 09:26:40,764 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:40,764 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:40,773 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 09:26:40,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:40,965 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:40,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash 82442357, now seen corresponding path program 1 times [2025-02-08 09:26:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:40,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310603057] [2025-02-08 09:26:40,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:40,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:40,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:26:40,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:26:40,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:40,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:41,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:41,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310603057] [2025-02-08 09:26:41,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310603057] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:41,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816117666] [2025-02-08 09:26:41,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:41,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:41,096 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 09:26:41,098 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 09:26:41,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:26:41,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:26:41,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:41,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:41,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:26:41,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:41,242 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:41,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816117666] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:41,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:41,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-02-08 09:26:41,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2443758] [2025-02-08 09:26:41,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:41,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:26:41,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:41,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:26:41,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:41,385 INFO L87 Difference]: Start difference. First operand 588 states and 761 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:26:42,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:42,083 INFO L93 Difference]: Finished difference Result 1224 states and 1513 transitions. [2025-02-08 09:26:42,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:26:42,084 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 107 [2025-02-08 09:26:42,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:42,088 INFO L225 Difference]: With dead ends: 1224 [2025-02-08 09:26:42,088 INFO L226 Difference]: Without dead ends: 1184 [2025-02-08 09:26:42,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:26:42,089 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 827 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:42,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1143 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:42,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2025-02-08 09:26:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 832. [2025-02-08 09:26:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 710 states have (on average 1.532394366197183) internal successors, (1088), 771 states have internal predecessors, (1088), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:26:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1196 transitions. [2025-02-08 09:26:42,133 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1196 transitions. Word has length 107 [2025-02-08 09:26:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:42,133 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1196 transitions. [2025-02-08 09:26:42,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:26:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1196 transitions. [2025-02-08 09:26:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 09:26:42,136 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:42,137 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:42,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:26:42,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:42,337 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:42,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:42,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1616681316, now seen corresponding path program 1 times [2025-02-08 09:26:42,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:42,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366105982] [2025-02-08 09:26:42,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:42,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:42,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:26:42,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:26:42,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:42,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:26:42,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:42,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366105982] [2025-02-08 09:26:42,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366105982] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:42,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270101763] [2025-02-08 09:26:42,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:42,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:42,507 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:42,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:26:42,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-08 09:26:42,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:26:42,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:42,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:42,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:42,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:42,729 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:42,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270101763] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:42,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:26:42,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2025-02-08 09:26:42,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294464801] [2025-02-08 09:26:42,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:42,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:26:42,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:42,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:26:42,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:26:42,933 INFO L87 Difference]: Start difference. First operand 832 states and 1196 transitions. Second operand has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-02-08 09:26:47,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:47,156 INFO L93 Difference]: Finished difference Result 2756 states and 3480 transitions. [2025-02-08 09:26:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-02-08 09:26:47,157 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) Word has length 113 [2025-02-08 09:26:47,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:47,165 INFO L225 Difference]: With dead ends: 2756 [2025-02-08 09:26:47,165 INFO L226 Difference]: Without dead ends: 2755 [2025-02-08 09:26:47,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3024 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1565, Invalid=6807, Unknown=0, NotChecked=0, Total=8372 [2025-02-08 09:26:47,168 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 4123 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:47,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 1754 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-02-08 09:26:47,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2025-02-08 09:26:47,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 1306. [2025-02-08 09:26:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1152 states have (on average 1.6267361111111112) internal successors, (1874), 1213 states have internal predecessors, (1874), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2025-02-08 09:26:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 2046 transitions. [2025-02-08 09:26:47,259 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 2046 transitions. Word has length 113 [2025-02-08 09:26:47,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:47,259 INFO L471 AbstractCegarLoop]: Abstraction has 1306 states and 2046 transitions. [2025-02-08 09:26:47,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-02-08 09:26:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 2046 transitions. [2025-02-08 09:26:47,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:26:47,261 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:47,261 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:47,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:26:47,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-08 09:26:47,462 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:47,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1422486848, now seen corresponding path program 1 times [2025-02-08 09:26:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:47,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697743489] [2025-02-08 09:26:47,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:47,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:26:47,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:26:47,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:47,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835993158] [2025-02-08 09:26:47,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:47,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:47,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:47,481 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:47,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:26:47,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:26:47,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:26:47,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:47,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:47,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:26:47,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:47,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:47,807 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:26:47,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:47,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697743489] [2025-02-08 09:26:47,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:47,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835993158] [2025-02-08 09:26:47,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835993158] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:47,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:47,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:26:47,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443401571] [2025-02-08 09:26:47,807 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:47,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:26:47,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:47,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:26:47,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:47,808 INFO L87 Difference]: Start difference. First operand 1306 states and 2046 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:26:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:48,541 INFO L93 Difference]: Finished difference Result 1884 states and 2907 transitions. [2025-02-08 09:26:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:48,541 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 114 [2025-02-08 09:26:48,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:48,548 INFO L225 Difference]: With dead ends: 1884 [2025-02-08 09:26:48,549 INFO L226 Difference]: Without dead ends: 1883 [2025-02-08 09:26:48,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:26:48,550 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 768 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:48,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 812 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2025-02-08 09:26:48,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1542. [2025-02-08 09:26:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1372 states have (on average 1.6443148688046647) internal successors, (2256), 1433 states have internal predecessors, (2256), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2025-02-08 09:26:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2460 transitions. [2025-02-08 09:26:48,627 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2460 transitions. Word has length 114 [2025-02-08 09:26:48,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:48,628 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2460 transitions. [2025-02-08 09:26:48,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:26:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2460 transitions. [2025-02-08 09:26:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:26:48,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:48,629 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:48,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:48,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:48,830 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:48,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash 669823573, now seen corresponding path program 1 times [2025-02-08 09:26:48,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:48,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180944432] [2025-02-08 09:26:48,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:48,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:48,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:26:48,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:26:48,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:48,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:48,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582288301] [2025-02-08 09:26:48,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:48,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:48,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:48,845 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:48,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:26:48,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:26:48,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:26:48,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:48,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:48,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:26:48,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:49,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:49,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180944432] [2025-02-08 09:26:49,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582288301] [2025-02-08 09:26:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582288301] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:49,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:49,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:26:49,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221356260] [2025-02-08 09:26:49,514 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:49,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:26:49,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:49,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:26:49,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:49,514 INFO L87 Difference]: Start difference. First operand 1542 states and 2460 transitions. Second operand has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:26:50,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:50,238 INFO L93 Difference]: Finished difference Result 1623 states and 2560 transitions. [2025-02-08 09:26:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:50,239 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 120 [2025-02-08 09:26:50,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:50,243 INFO L225 Difference]: With dead ends: 1623 [2025-02-08 09:26:50,243 INFO L226 Difference]: Without dead ends: 1622 [2025-02-08 09:26:50,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:26:50,244 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 455 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:50,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 599 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2025-02-08 09:26:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1591. [2025-02-08 09:26:50,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1417 states have (on average 1.6492589978828511) internal successors, (2337), 1478 states have internal predecessors, (2337), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-02-08 09:26:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2549 transitions. [2025-02-08 09:26:50,315 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2549 transitions. Word has length 120 [2025-02-08 09:26:50,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:50,315 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2549 transitions. [2025-02-08 09:26:50,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.5) internal successors, (84), 9 states have internal predecessors, (84), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:26:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2549 transitions. [2025-02-08 09:26:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:26:50,316 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:50,316 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:50,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-08 09:26:50,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:50,521 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:50,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:50,521 INFO L85 PathProgramCache]: Analyzing trace with hash -710305630, now seen corresponding path program 1 times [2025-02-08 09:26:50,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:50,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947650352] [2025-02-08 09:26:50,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:50,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:50,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:26:50,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:26:50,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:50,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:50,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995102955] [2025-02-08 09:26:50,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:50,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:50,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:50,538 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:26:50,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:26:50,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:26:50,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:26:50,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:50,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:50,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:26:50,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:51,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947650352] [2025-02-08 09:26:51,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995102955] [2025-02-08 09:26:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995102955] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:51,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:26:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130716105] [2025-02-08 09:26:51,407 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:51,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:26:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:51,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:26:51,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:26:51,408 INFO L87 Difference]: Start difference. First operand 1591 states and 2549 transitions. Second operand has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:26:52,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:52,141 INFO L93 Difference]: Finished difference Result 1623 states and 2558 transitions. [2025-02-08 09:26:52,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:26:52,142 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 121 [2025-02-08 09:26:52,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:52,148 INFO L225 Difference]: With dead ends: 1623 [2025-02-08 09:26:52,148 INFO L226 Difference]: Without dead ends: 1622 [2025-02-08 09:26:52,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:26:52,149 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 454 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:52,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 599 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:26:52,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2025-02-08 09:26:52,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1591. [2025-02-08 09:26:52,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1417 states have (on average 1.6478475652787579) internal successors, (2335), 1478 states have internal predecessors, (2335), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-02-08 09:26:52,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2547 transitions. [2025-02-08 09:26:52,225 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2547 transitions. Word has length 121 [2025-02-08 09:26:52,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:52,225 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2547 transitions. [2025-02-08 09:26:52,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-02-08 09:26:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2547 transitions. [2025-02-08 09:26:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:26:52,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:52,226 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:52,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:26:52,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:26:52,427 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:52,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:52,428 INFO L85 PathProgramCache]: Analyzing trace with hash -544637965, now seen corresponding path program 1 times [2025-02-08 09:26:52,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:52,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839498057] [2025-02-08 09:26:52,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:52,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:26:52,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:26:52,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:52,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:52,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379614643] [2025-02-08 09:26:52,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:52,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:52,442 INFO L229 MonitoredProcess]: Starting monitored process 40 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 09:26:52,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:26:52,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:26:52,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:26:52,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:52,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:52,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:26:52,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:52,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:52,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:52,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839498057] [2025-02-08 09:26:52,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:52,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379614643] [2025-02-08 09:26:52,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379614643] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:52,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:52,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605928803] [2025-02-08 09:26:52,858 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:52,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:52,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:52,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:52,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:52,859 INFO L87 Difference]: Start difference. First operand 1591 states and 2547 transitions. Second operand has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:26:53,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:53,300 INFO L93 Difference]: Finished difference Result 1746 states and 2766 transitions. [2025-02-08 09:26:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:26:53,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2025-02-08 09:26:53,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:53,315 INFO L225 Difference]: With dead ends: 1746 [2025-02-08 09:26:53,316 INFO L226 Difference]: Without dead ends: 1744 [2025-02-08 09:26:53,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:53,318 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 324 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:53,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 475 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:26:53,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2025-02-08 09:26:53,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1703. [2025-02-08 09:26:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1520 states have (on average 1.6559210526315788) internal successors, (2517), 1581 states have internal predecessors, (2517), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-02-08 09:26:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2747 transitions. [2025-02-08 09:26:53,391 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2747 transitions. Word has length 122 [2025-02-08 09:26:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:53,391 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2747 transitions. [2025-02-08 09:26:53,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:26:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2747 transitions. [2025-02-08 09:26:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:26:53,392 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:53,392 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:53,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-08 09:26:53,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:26:53,593 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:53,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash 296092352, now seen corresponding path program 1 times [2025-02-08 09:26:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:53,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158723584] [2025-02-08 09:26:53,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:53,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:53,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:26:53,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:26:53,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:53,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:53,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [23986303] [2025-02-08 09:26:53,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:53,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:53,612 INFO L229 MonitoredProcess]: Starting monitored process 41 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 09:26:53,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:26:53,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:26:53,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:26:53,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:53,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:53,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:26:53,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:53,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:54,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:54,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158723584] [2025-02-08 09:26:54,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:54,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23986303] [2025-02-08 09:26:54,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23986303] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:54,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:54,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:26:54,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701424485] [2025-02-08 09:26:54,254 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:54,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:26:54,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:54,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:26:54,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:26:54,255 INFO L87 Difference]: Start difference. First operand 1703 states and 2747 transitions. Second operand has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:26:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:54,646 INFO L93 Difference]: Finished difference Result 1746 states and 2760 transitions. [2025-02-08 09:26:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:26:54,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2025-02-08 09:26:54,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:54,652 INFO L225 Difference]: With dead ends: 1746 [2025-02-08 09:26:54,652 INFO L226 Difference]: Without dead ends: 1744 [2025-02-08 09:26:54,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:26:54,654 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 210 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:54,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 621 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:54,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2025-02-08 09:26:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1704. [2025-02-08 09:26:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1521 states have (on average 1.6522024983563446) internal successors, (2513), 1582 states have internal predecessors, (2513), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-02-08 09:26:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2743 transitions. [2025-02-08 09:26:54,736 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2743 transitions. Word has length 123 [2025-02-08 09:26:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:54,737 INFO L471 AbstractCegarLoop]: Abstraction has 1704 states and 2743 transitions. [2025-02-08 09:26:54,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:26:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2743 transitions. [2025-02-08 09:26:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:26:54,738 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:54,738 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:54,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-08 09:26:54,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-08 09:26:54,938 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:54,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:54,939 INFO L85 PathProgramCache]: Analyzing trace with hash 588928401, now seen corresponding path program 1 times [2025-02-08 09:26:54,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:54,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144447859] [2025-02-08 09:26:54,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:54,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:54,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:26:54,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:26:54,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:54,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:54,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595152924] [2025-02-08 09:26:54,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:54,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:54,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:54,955 INFO L229 MonitoredProcess]: Starting monitored process 42 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 09:26:54,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:26:54,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 09:26:55,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:26:55,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:55,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:55,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:26:55,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:55,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-08 09:26:55,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144447859] [2025-02-08 09:26:55,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595152924] [2025-02-08 09:26:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595152924] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:26:55,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:26:55,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-02-08 09:26:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717762334] [2025-02-08 09:26:55,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:55,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:26:55,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:55,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:26:55,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:26:55,946 INFO L87 Difference]: Start difference. First operand 1704 states and 2743 transitions. Second operand has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-02-08 09:26:58,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:58,768 INFO L93 Difference]: Finished difference Result 2072 states and 3254 transitions. [2025-02-08 09:26:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-08 09:26:58,768 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) Word has length 124 [2025-02-08 09:26:58,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:58,773 INFO L225 Difference]: With dead ends: 2072 [2025-02-08 09:26:58,773 INFO L226 Difference]: Without dead ends: 2067 [2025-02-08 09:26:58,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:26:58,774 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 912 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:58,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 660 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-08 09:26:58,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2025-02-08 09:26:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2024. [2025-02-08 09:26:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1829 states have (on average 1.6172772006560963) internal successors, (2958), 1890 states have internal predecessors, (2958), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:26:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3212 transitions. [2025-02-08 09:26:58,859 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3212 transitions. Word has length 124 [2025-02-08 09:26:58,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:26:58,860 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 3212 transitions. [2025-02-08 09:26:58,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-02-08 09:26:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3212 transitions. [2025-02-08 09:26:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 09:26:58,860 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:26:58,861 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:26:58,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:26:59,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:26:59,061 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:26:59,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:26:59,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1076911326, now seen corresponding path program 1 times [2025-02-08 09:26:59,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:26:59,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761054456] [2025-02-08 09:26:59,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:26:59,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:26:59,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:26:59,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:59,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:26:59,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688370308] [2025-02-08 09:26:59,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:26:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:26:59,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:26:59,078 INFO L229 MonitoredProcess]: Starting monitored process 43 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 09:26:59,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:26:59,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-08 09:26:59,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:26:59,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:26:59,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:26:59,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:26:59,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:26:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:26:59,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:26:59,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:26:59,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761054456] [2025-02-08 09:26:59,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:26:59,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688370308] [2025-02-08 09:26:59,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688370308] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:26:59,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:26:59,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:26:59,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294673645] [2025-02-08 09:26:59,495 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:26:59,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:26:59,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:26:59,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:26:59,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:26:59,496 INFO L87 Difference]: Start difference. First operand 2024 states and 3212 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:26:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:26:59,910 INFO L93 Difference]: Finished difference Result 2064 states and 3222 transitions. [2025-02-08 09:26:59,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:26:59,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 125 [2025-02-08 09:26:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:26:59,915 INFO L225 Difference]: With dead ends: 2064 [2025-02-08 09:26:59,915 INFO L226 Difference]: Without dead ends: 2057 [2025-02-08 09:26:59,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:26:59,916 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 279 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:26:59,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 319 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:26:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2025-02-08 09:26:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2025. [2025-02-08 09:26:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.612568306010929) internal successors, (2951), 1891 states have internal predecessors, (2951), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:27:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3205 transitions. [2025-02-08 09:27:00,002 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3205 transitions. Word has length 125 [2025-02-08 09:27:00,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:00,002 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3205 transitions. [2025-02-08 09:27:00,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:27:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3205 transitions. [2025-02-08 09:27:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 09:27:00,002 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:00,003 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:00,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:00,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:00,203 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:27:00,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:00,203 INFO L85 PathProgramCache]: Analyzing trace with hash 47399402, now seen corresponding path program 1 times [2025-02-08 09:27:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:00,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274950610] [2025-02-08 09:27:00,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:00,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-08 09:27:00,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:27:00,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:00,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:00,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525259076] [2025-02-08 09:27:00,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:00,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:00,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:00,217 INFO L229 MonitoredProcess]: Starting monitored process 44 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 09:27:00,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:27:00,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-08 09:27:00,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-08 09:27:00,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:00,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:00,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:27:00,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-08 09:27:00,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:12,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:12,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274950610] [2025-02-08 09:27:12,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:12,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525259076] [2025-02-08 09:27:12,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525259076] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:12,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:12,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:27:12,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555274030] [2025-02-08 09:27:12,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:12,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:27:12,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:12,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:27:12,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-08 09:27:12,833 INFO L87 Difference]: Start difference. First operand 2025 states and 3205 transitions. Second operand has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:27:13,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:13,341 INFO L93 Difference]: Finished difference Result 2074 states and 3237 transitions. [2025-02-08 09:27:13,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:13,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 131 [2025-02-08 09:27:13,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:13,346 INFO L225 Difference]: With dead ends: 2074 [2025-02-08 09:27:13,346 INFO L226 Difference]: Without dead ends: 2071 [2025-02-08 09:27:13,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-08 09:27:13,348 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 315 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:13,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 690 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:27:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2025-02-08 09:27:13,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2025. [2025-02-08 09:27:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.6060109289617486) internal successors, (2939), 1891 states have internal predecessors, (2939), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:27:13,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3193 transitions. [2025-02-08 09:27:13,420 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3193 transitions. Word has length 131 [2025-02-08 09:27:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:13,420 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3193 transitions. [2025-02-08 09:27:13,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:27:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3193 transitions. [2025-02-08 09:27:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-08 09:27:13,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:13,421 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:13,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-08 09:27:13,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:13,622 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:27:13,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:13,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1469381536, now seen corresponding path program 1 times [2025-02-08 09:27:13,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886597385] [2025-02-08 09:27:13,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:13,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:27:13,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:27:13,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:13,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:13,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082195020] [2025-02-08 09:27:13,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:13,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:13,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:13,643 INFO L229 MonitoredProcess]: Starting monitored process 45 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 09:27:13,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:27:13,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:27:13,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:27:13,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:13,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:13,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:27:13,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-08 09:27:14,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:15,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:15,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886597385] [2025-02-08 09:27:15,017 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:15,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082195020] [2025-02-08 09:27:15,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082195020] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:15,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:15,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:27:15,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132347375] [2025-02-08 09:27:15,018 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:15,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:27:15,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:15,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:27:15,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2025-02-08 09:27:15,018 INFO L87 Difference]: Start difference. First operand 2025 states and 3193 transitions. Second operand has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:27:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:15,426 INFO L93 Difference]: Finished difference Result 2074 states and 3225 transitions. [2025-02-08 09:27:15,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:27:15,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2025-02-08 09:27:15,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:15,431 INFO L225 Difference]: With dead ends: 2074 [2025-02-08 09:27:15,431 INFO L226 Difference]: Without dead ends: 2071 [2025-02-08 09:27:15,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:27:15,432 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 267 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:15,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 501 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:27:15,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2025-02-08 09:27:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2025. [2025-02-08 09:27:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5994535519125683) internal successors, (2927), 1891 states have internal predecessors, (2927), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:27:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3181 transitions. [2025-02-08 09:27:15,532 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3181 transitions. Word has length 132 [2025-02-08 09:27:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:15,532 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3181 transitions. [2025-02-08 09:27:15,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:27:15,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3181 transitions. [2025-02-08 09:27:15,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-08 09:27:15,532 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:15,533 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:15,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-02-08 09:27:15,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:15,733 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:27:15,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:15,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1693812568, now seen corresponding path program 1 times [2025-02-08 09:27:15,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:15,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191435235] [2025-02-08 09:27:15,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:15,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-08 09:27:15,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:27:15,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:15,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:15,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422880646] [2025-02-08 09:27:15,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:15,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:15,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:15,750 INFO L229 MonitoredProcess]: Starting monitored process 46 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 09:27:15,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:27:15,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-08 09:27:15,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-08 09:27:15,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:15,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:15,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:27:15,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-08 09:27:16,372 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:16,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:16,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191435235] [2025-02-08 09:27:16,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:16,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422880646] [2025-02-08 09:27:16,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422880646] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:16,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:16,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:27:16,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583878398] [2025-02-08 09:27:16,527 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:16,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:27:16,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:16,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:27:16,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:27:16,528 INFO L87 Difference]: Start difference. First operand 2025 states and 3181 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:27:17,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:17,334 INFO L93 Difference]: Finished difference Result 2049 states and 3198 transitions. [2025-02-08 09:27:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:27:17,334 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 133 [2025-02-08 09:27:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:17,338 INFO L225 Difference]: With dead ends: 2049 [2025-02-08 09:27:17,338 INFO L226 Difference]: Without dead ends: 2048 [2025-02-08 09:27:17,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:27:17,339 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 437 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:17,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 492 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:27:17,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2025-02-08 09:27:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2025. [2025-02-08 09:27:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5989071038251366) internal successors, (2926), 1891 states have internal predecessors, (2926), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:27:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3180 transitions. [2025-02-08 09:27:17,417 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3180 transitions. Word has length 133 [2025-02-08 09:27:17,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:17,418 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3180 transitions. [2025-02-08 09:27:17,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:27:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3180 transitions. [2025-02-08 09:27:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-08 09:27:17,418 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:17,418 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:17,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-08 09:27:17,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-08 09:27:17,619 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:27:17,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:17,619 INFO L85 PathProgramCache]: Analyzing trace with hash -968581986, now seen corresponding path program 1 times [2025-02-08 09:27:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:17,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230179308] [2025-02-08 09:27:17,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:17,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:17,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:27:17,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:27:17,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:17,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:17,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497920143] [2025-02-08 09:27:17,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:17,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:17,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:17,646 INFO L229 MonitoredProcess]: Starting monitored process 47 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 09:27:17,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:27:17,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-08 09:27:17,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-08 09:27:17,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:17,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:17,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:27:17,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-08 09:27:18,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:27:21,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:27:21,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230179308] [2025-02-08 09:27:21,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:27:21,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497920143] [2025-02-08 09:27:21,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497920143] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:27:21,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:27:21,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:27:21,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547395135] [2025-02-08 09:27:21,993 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:27:21,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:27:21,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:27:21,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:27:21,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2025-02-08 09:27:21,994 INFO L87 Difference]: Start difference. First operand 2025 states and 3180 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:27:22,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:27:22,825 INFO L93 Difference]: Finished difference Result 2050 states and 3197 transitions. [2025-02-08 09:27:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:27:22,826 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 134 [2025-02-08 09:27:22,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:27:22,831 INFO L225 Difference]: With dead ends: 2050 [2025-02-08 09:27:22,831 INFO L226 Difference]: Without dead ends: 2048 [2025-02-08 09:27:22,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=83, Invalid=336, Unknown=1, NotChecked=0, Total=420 [2025-02-08 09:27:22,832 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 436 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:27:22,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 492 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:27:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2025-02-08 09:27:22,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2025. [2025-02-08 09:27:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5967213114754097) internal successors, (2922), 1891 states have internal predecessors, (2922), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-02-08 09:27:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3176 transitions. [2025-02-08 09:27:22,949 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3176 transitions. Word has length 134 [2025-02-08 09:27:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:27:22,949 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3176 transitions. [2025-02-08 09:27:22,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:27:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3176 transitions. [2025-02-08 09:27:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:27:22,951 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:27:22,951 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:27:22,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-02-08 09:27:23,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-02-08 09:27:23,152 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-02-08 09:27:23,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:27:23,153 INFO L85 PathProgramCache]: Analyzing trace with hash 38729574, now seen corresponding path program 1 times [2025-02-08 09:27:23,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:27:23,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106398834] [2025-02-08 09:27:23,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:23,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:27:23,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:27:23,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:27:23,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:23,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:27:23,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1272188554] [2025-02-08 09:27:23,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:27:23,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:27:23,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:27:23,172 INFO L229 MonitoredProcess]: Starting monitored process 48 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 09:27:23,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:27:23,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-02-08 09:27:23,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:27:23,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:27:23,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:27:23,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-08 09:27:23,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:27:23,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-08 09:27:23,922 INFO L312 TraceCheckSpWp]: Computing backward predicates...