./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-008.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-008.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 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:38:35,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:38:35,521 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:38:35,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:38:35,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:38:35,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:38:35,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:38:35,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:38:35,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:38:35,541 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:38:35,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:38:35,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:38:35,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:38:35,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:38:35,541 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:38:35,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:38:35,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:38:35,542 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:38:35,543 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:38:35,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:38:35,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:38:35,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:38:35,545 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 -> 8f1a1519dc3ac954bb27ae35f40dd4ee3500f707e2df097fc14441b899353328 [2025-02-06 14:38:35,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:38:35,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:38:35,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:38:35,777 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:38:35,778 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:38:35,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-008.c [2025-02-06 14:38:36,956 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5160ac1ef/ced325511afe487c93a756f9260b6e21/FLAGdded80bb6 [2025-02-06 14:38:37,192 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:38:37,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-008.c [2025-02-06 14:38:37,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5160ac1ef/ced325511afe487c93a756f9260b6e21/FLAGdded80bb6 [2025-02-06 14:38:37,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5160ac1ef/ced325511afe487c93a756f9260b6e21 [2025-02-06 14:38:37,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:38:37,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:38:37,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:38:37,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:38:37,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:38:37,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca01079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37, skipping insertion in model container [2025-02-06 14:38:37,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:38:37,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:38:37,733 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:38:37,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:38:37,769 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:38:37,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37 WrapperNode [2025-02-06 14:38:37,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:38:37,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:38:37,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:38:37,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:38:37,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,819 INFO L138 Inliner]: procedures = 13, calls = 94, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2025-02-06 14:38:37,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:38:37,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:38:37,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:38:37,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:38:37,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,846 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:38:37,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:38:37,864 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:38:37,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:38:37,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:38:37,865 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (1/1) ... [2025-02-06 14:38:37,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:38:37,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:37,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:38:37,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:38:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:38:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:38:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:38:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:38:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-02-06 14:38:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-02-06 14:38:37,962 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:38:37,963 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:38:38,256 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2025-02-06 14:38:38,256 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:38:38,266 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:38:38,266 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:38:38,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:38:38 BoogieIcfgContainer [2025-02-06 14:38:38,266 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:38:38,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:38:38,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:38:38,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:38:38,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:38:37" (1/3) ... [2025-02-06 14:38:38,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14aec115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:38:38, skipping insertion in model container [2025-02-06 14:38:38,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:38:37" (2/3) ... [2025-02-06 14:38:38,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14aec115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:38:38, skipping insertion in model container [2025-02-06 14:38:38,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:38:38" (3/3) ... [2025-02-06 14:38:38,272 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-008.c [2025-02-06 14:38:38,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:38:38,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-008.c that has 2 procedures, 183 locations, 1 initial locations, 0 loop locations, and 28 error locations. [2025-02-06 14:38:38,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:38:38,327 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;@1c75a6e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:38:38,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-02-06 14:38:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 67 states have (on average 1.537313432835821) internal successors, (103), 95 states have internal predecessors, (103), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-02-06 14:38:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-02-06 14:38:38,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:38,345 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:38,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:38,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:38,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1649431114, now seen corresponding path program 1 times [2025-02-06 14:38:38,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:38,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410883528] [2025-02-06 14:38:38,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:38,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-02-06 14:38:38,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-02-06 14:38:38,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:38,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2025-02-06 14:38:38,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:38,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410883528] [2025-02-06 14:38:38,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410883528] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:38,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128502372] [2025-02-06 14:38:38,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:38,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:38,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:38,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:38,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:38:38,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-02-06 14:38:38,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-02-06 14:38:38,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:38,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:38,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:38:38,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 12168 trivial. 0 not checked. [2025-02-06 14:38:38,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:38:38,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128502372] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:38:38,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:38:38,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:38:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918343479] [2025-02-06 14:38:38,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:38:38,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:38:38,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:38,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:38:38,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:38:38,963 INFO L87 Difference]: Start difference. First operand has 183 states, 67 states have (on average 1.537313432835821) internal successors, (103), 95 states have internal predecessors, (103), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2025-02-06 14:38:38,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:38,993 INFO L93 Difference]: Finished difference Result 359 states and 629 transitions. [2025-02-06 14:38:38,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:38:38,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) Word has length 414 [2025-02-06 14:38:38,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:39,002 INFO L225 Difference]: With dead ends: 359 [2025-02-06 14:38:39,002 INFO L226 Difference]: Without dead ends: 176 [2025-02-06 14:38:39,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:38:39,007 INFO L435 NwaCegarLoop]: 270 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, 270 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:39,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:38:39,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-06 14:38:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2025-02-06 14:38:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 62 states have (on average 1.532258064516129) internal successors, (95), 89 states have internal predecessors, (95), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 265 transitions. [2025-02-06 14:38:39,054 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 265 transitions. Word has length 414 [2025-02-06 14:38:39,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:39,055 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 265 transitions. [2025-02-06 14:38:39,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 2 states have call successors, (79) [2025-02-06 14:38:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 265 transitions. [2025-02-06 14:38:39,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-02-06 14:38:39,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:39,060 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:39,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:38:39,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:38:39,265 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:39,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:39,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2040316631, now seen corresponding path program 1 times [2025-02-06 14:38:39,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:39,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955964315] [2025-02-06 14:38:39,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:39,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-02-06 14:38:39,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-02-06 14:38:39,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:39,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 456 refuted. 0 times theorem prover too weak. 11862 trivial. 0 not checked. [2025-02-06 14:38:40,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:40,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955964315] [2025-02-06 14:38:40,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955964315] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:40,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812116502] [2025-02-06 14:38:40,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:40,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:40,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:40,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:40,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:38:40,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-02-06 14:38:40,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-02-06 14:38:40,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:40,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:40,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:40,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:40,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:41,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812116502] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:41,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:41,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 14:38:41,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781961975] [2025-02-06 14:38:41,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:41,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:38:41,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:41,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:38:41,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:38:41,113 INFO L87 Difference]: Start difference. First operand 176 states and 265 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2025-02-06 14:38:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:41,547 INFO L93 Difference]: Finished difference Result 176 states and 265 transitions. [2025-02-06 14:38:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:38:41,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) Word has length 414 [2025-02-06 14:38:41,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:41,550 INFO L225 Difference]: With dead ends: 176 [2025-02-06 14:38:41,550 INFO L226 Difference]: Without dead ends: 175 [2025-02-06 14:38:41,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:38:41,551 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 4 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:41,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 906 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:38:41,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-02-06 14:38:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-02-06 14:38:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 88 states have internal predecessors, (94), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 264 transitions. [2025-02-06 14:38:41,572 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 264 transitions. Word has length 414 [2025-02-06 14:38:41,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:41,574 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 264 transitions. [2025-02-06 14:38:41,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 6 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 5 states have call predecessors, (235), 6 states have call successors, (235) [2025-02-06 14:38:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 264 transitions. [2025-02-06 14:38:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2025-02-06 14:38:41,578 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:41,578 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:41,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 14:38:41,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:41,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:41,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1174693825, now seen corresponding path program 1 times [2025-02-06 14:38:41,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:41,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609375938] [2025-02-06 14:38:41,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:41,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 415 statements into 1 equivalence classes. [2025-02-06 14:38:41,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 415 of 415 statements. [2025-02-06 14:38:41,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:41,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:42,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:42,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609375938] [2025-02-06 14:38:42,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609375938] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:42,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878144523] [2025-02-06 14:38:42,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:42,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:42,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:42,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:42,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:38:42,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 415 statements into 1 equivalence classes. [2025-02-06 14:38:42,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 415 of 415 statements. [2025-02-06 14:38:42,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:42,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:42,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:42,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:42,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 228 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:42,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878144523] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:42,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:42,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-06 14:38:42,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988755365] [2025-02-06 14:38:42,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:42,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:38:42,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:42,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:38:42,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:38:42,957 INFO L87 Difference]: Start difference. First operand 175 states and 264 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2025-02-06 14:38:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:43,467 INFO L93 Difference]: Finished difference Result 175 states and 264 transitions. [2025-02-06 14:38:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:38:43,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) Word has length 415 [2025-02-06 14:38:43,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:43,475 INFO L225 Difference]: With dead ends: 175 [2025-02-06 14:38:43,475 INFO L226 Difference]: Without dead ends: 174 [2025-02-06 14:38:43,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 833 GetRequests, 826 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:38:43,476 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:43,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 752 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:38:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-02-06 14:38:43,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-02-06 14:38:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 62 states have (on average 1.5) internal successors, (93), 87 states have internal predecessors, (93), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 263 transitions. [2025-02-06 14:38:43,515 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 263 transitions. Word has length 415 [2025-02-06 14:38:43,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:43,516 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 263 transitions. [2025-02-06 14:38:43,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 3 states have call predecessors, (156), 3 states have call successors, (156) [2025-02-06 14:38:43,517 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 263 transitions. [2025-02-06 14:38:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2025-02-06 14:38:43,523 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:43,524 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:43,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:38:43,724 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 [2025-02-06 14:38:43,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:43,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:43,725 INFO L85 PathProgramCache]: Analyzing trace with hash 695634717, now seen corresponding path program 1 times [2025-02-06 14:38:43,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:43,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664773420] [2025-02-06 14:38:43,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:43,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:43,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 417 statements into 1 equivalence classes. [2025-02-06 14:38:43,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 417 of 417 statements. [2025-02-06 14:38:43,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:43,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12324 trivial. 0 not checked. [2025-02-06 14:38:43,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:43,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664773420] [2025-02-06 14:38:43,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664773420] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:38:43,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:38:43,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:38:43,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831834239] [2025-02-06 14:38:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:38:43,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:38:43,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:43,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:38:43,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:38:43,954 INFO L87 Difference]: Start difference. First operand 174 states and 263 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2025-02-06 14:38:44,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:44,016 INFO L93 Difference]: Finished difference Result 174 states and 263 transitions. [2025-02-06 14:38:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:38:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) Word has length 417 [2025-02-06 14:38:44,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:44,020 INFO L225 Difference]: With dead ends: 174 [2025-02-06 14:38:44,020 INFO L226 Difference]: Without dead ends: 167 [2025-02-06 14:38:44,020 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 [2025-02-06 14:38:44,020 INFO L435 NwaCegarLoop]: 236 mSDtfsCounter, 7 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:44,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 444 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:38:44,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-06 14:38:44,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-02-06 14:38:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 80 states have internal predecessors, (86), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 256 transitions. [2025-02-06 14:38:44,047 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 256 transitions. Word has length 417 [2025-02-06 14:38:44,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:44,049 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 256 transitions. [2025-02-06 14:38:44,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 1 states have call predecessors, (79), 1 states have call successors, (79) [2025-02-06 14:38:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 256 transitions. [2025-02-06 14:38:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2025-02-06 14:38:44,054 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:44,054 INFO L218 NwaCegarLoop]: trace histogram [79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:44,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:38:44,055 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:44,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:44,055 INFO L85 PathProgramCache]: Analyzing trace with hash 89839796, now seen corresponding path program 1 times [2025-02-06 14:38:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:44,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048214849] [2025-02-06 14:38:44,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:44,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 418 statements into 1 equivalence classes. [2025-02-06 14:38:44,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 418 of 418 statements. [2025-02-06 14:38:44,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:44,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 6 proven. 456 refuted. 0 times theorem prover too weak. 11862 trivial. 0 not checked. [2025-02-06 14:38:44,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:44,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048214849] [2025-02-06 14:38:44,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048214849] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:44,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907587310] [2025-02-06 14:38:44,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:44,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:44,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:44,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:44,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:38:44,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 418 statements into 1 equivalence classes. [2025-02-06 14:38:44,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 418 of 418 statements. [2025-02-06 14:38:44,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:44,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:44,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:38:44,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:44,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12324 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2025-02-06 14:38:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907587310] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:45,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-06 14:38:45,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891771129] [2025-02-06 14:38:45,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:45,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:38:45,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:45,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:38:45,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:38:45,284 INFO L87 Difference]: Start difference. First operand 167 states and 256 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) [2025-02-06 14:38:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:45,752 INFO L93 Difference]: Finished difference Result 167 states and 256 transitions. [2025-02-06 14:38:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:38:45,753 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) Word has length 418 [2025-02-06 14:38:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:45,755 INFO L225 Difference]: With dead ends: 167 [2025-02-06 14:38:45,755 INFO L226 Difference]: Without dead ends: 166 [2025-02-06 14:38:45,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 832 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:38:45,756 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:45,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 801 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:38:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-02-06 14:38:45,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-02-06 14:38:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 79 states have internal predecessors, (85), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 255 transitions. [2025-02-06 14:38:45,768 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 255 transitions. Word has length 418 [2025-02-06 14:38:45,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:45,769 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 255 transitions. [2025-02-06 14:38:45,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 5 states have call successors, (233), 1 states have call predecessors, (233), 2 states have return successors, (233), 4 states have call predecessors, (233), 5 states have call successors, (233) [2025-02-06 14:38:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 255 transitions. [2025-02-06 14:38:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2025-02-06 14:38:45,771 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:45,772 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:45,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:38:45,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:45,973 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:45,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:45,973 INFO L85 PathProgramCache]: Analyzing trace with hash 213256369, now seen corresponding path program 1 times [2025-02-06 14:38:45,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:45,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294501232] [2025-02-06 14:38:45,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:45,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:45,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-02-06 14:38:46,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-02-06 14:38:46,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:46,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-02-06 14:38:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:46,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294501232] [2025-02-06 14:38:46,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294501232] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:46,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088139039] [2025-02-06 14:38:46,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:46,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:46,238 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:46,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:38:46,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 423 statements into 1 equivalence classes. [2025-02-06 14:38:46,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 423 of 423 statements. [2025-02-06 14:38:46,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:46,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:46,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:38:46,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-02-06 14:38:46,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-02-06 14:38:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088139039] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:47,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:47,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-06 14:38:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767867954] [2025-02-06 14:38:47,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:47,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:38:47,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:47,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:38:47,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:38:47,260 INFO L87 Difference]: Start difference. First operand 166 states and 255 transitions. Second operand has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-02-06 14:38:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:47,877 INFO L93 Difference]: Finished difference Result 170 states and 262 transitions. [2025-02-06 14:38:47,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:38:47,878 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) Word has length 423 [2025-02-06 14:38:47,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:47,880 INFO L225 Difference]: With dead ends: 170 [2025-02-06 14:38:47,880 INFO L226 Difference]: Without dead ends: 169 [2025-02-06 14:38:47,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 856 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:38:47,881 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 40 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:47,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1509 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:38:47,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-02-06 14:38:47,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 165. [2025-02-06 14:38:47,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 78 states have internal predecessors, (84), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 254 transitions. [2025-02-06 14:38:47,900 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 254 transitions. Word has length 423 [2025-02-06 14:38:47,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:47,901 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 254 transitions. [2025-02-06 14:38:47,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.055555555555555) internal successors, (73), 17 states have internal predecessors, (73), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 11 states have call predecessors, (240), 11 states have call successors, (240) [2025-02-06 14:38:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 254 transitions. [2025-02-06 14:38:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2025-02-06 14:38:47,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:47,906 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:47,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:38:48,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:48,110 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:48,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:48,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1978987111, now seen corresponding path program 1 times [2025-02-06 14:38:48,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:48,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157307555] [2025-02-06 14:38:48,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:48,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:48,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 424 statements into 1 equivalence classes. [2025-02-06 14:38:48,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 424 of 424 statements. [2025-02-06 14:38:48,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:48,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-02-06 14:38:48,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:48,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157307555] [2025-02-06 14:38:48,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157307555] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:48,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166115949] [2025-02-06 14:38:48,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:48,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:48,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:48,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:48,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:38:48,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 424 statements into 1 equivalence classes. [2025-02-06 14:38:48,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 424 of 424 statements. [2025-02-06 14:38:48,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:48,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:48,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:48,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-02-06 14:38:48,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 12 proven. 225 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-02-06 14:38:49,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166115949] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:49,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:49,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2025-02-06 14:38:49,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856555328] [2025-02-06 14:38:49,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:49,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:38:49,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:49,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:38:49,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:38:49,239 INFO L87 Difference]: Start difference. First operand 165 states and 254 transitions. Second operand has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) [2025-02-06 14:38:49,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:49,605 INFO L93 Difference]: Finished difference Result 165 states and 254 transitions. [2025-02-06 14:38:49,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:38:49,606 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) Word has length 424 [2025-02-06 14:38:49,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:49,608 INFO L225 Difference]: With dead ends: 165 [2025-02-06 14:38:49,609 INFO L226 Difference]: Without dead ends: 164 [2025-02-06 14:38:49,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 857 GetRequests, 842 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:38:49,610 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 27 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:49,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1179 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:38:49,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-06 14:38:49,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2025-02-06 14:38:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 77 states have internal predecessors, (83), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 253 transitions. [2025-02-06 14:38:49,627 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 253 transitions. Word has length 424 [2025-02-06 14:38:49,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:49,627 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 253 transitions. [2025-02-06 14:38:49,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.818181818181818) internal successors, (75), 13 states have internal predecessors, (75), 8 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 7 states have call predecessors, (236), 8 states have call successors, (236) [2025-02-06 14:38:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 253 transitions. [2025-02-06 14:38:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2025-02-06 14:38:49,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:49,630 INFO L218 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:49,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 14:38:49,835 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,SelfDestructingSolverStorable6 [2025-02-06 14:38:49,835 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:49,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1011089038, now seen corresponding path program 1 times [2025-02-06 14:38:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:49,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593679771] [2025-02-06 14:38:49,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:49,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:49,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 427 statements into 1 equivalence classes. [2025-02-06 14:38:49,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 427 of 427 statements. [2025-02-06 14:38:49,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:49,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 6 proven. 231 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2025-02-06 14:38:50,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593679771] [2025-02-06 14:38:50,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593679771] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:50,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492515515] [2025-02-06 14:38:50,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:50,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:50,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:50,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:50,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:38:50,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 427 statements into 1 equivalence classes. [2025-02-06 14:38:50,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 427 of 427 statements. [2025-02-06 14:38:50,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:50,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:50,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:38:50,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:50,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-02-06 14:38:50,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 285 proven. 627 refuted. 0 times theorem prover too weak. 11728 trivial. 0 not checked. [2025-02-06 14:38:51,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492515515] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:51,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:51,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-02-06 14:38:51,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537640102] [2025-02-06 14:38:51,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:51,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:38:51,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:51,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:38:51,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:38:51,266 INFO L87 Difference]: Start difference. First operand 164 states and 253 transitions. Second operand has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 10 states have call predecessors, (240), 11 states have call successors, (240) [2025-02-06 14:38:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:51,909 INFO L93 Difference]: Finished difference Result 168 states and 258 transitions. [2025-02-06 14:38:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:38:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 10 states have call predecessors, (240), 11 states have call successors, (240) Word has length 427 [2025-02-06 14:38:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:51,912 INFO L225 Difference]: With dead ends: 168 [2025-02-06 14:38:51,912 INFO L226 Difference]: Without dead ends: 167 [2025-02-06 14:38:51,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 865 GetRequests, 838 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:38:51,913 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 57 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:51,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1478 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:38:51,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-06 14:38:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2025-02-06 14:38:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 76 states have internal predecessors, (82), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 252 transitions. [2025-02-06 14:38:51,923 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 252 transitions. Word has length 427 [2025-02-06 14:38:51,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:51,924 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 252 transitions. [2025-02-06 14:38:51,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 11 states have call successors, (238), 1 states have call predecessors, (238), 2 states have return successors, (240), 10 states have call predecessors, (240), 11 states have call successors, (240) [2025-02-06 14:38:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 252 transitions. [2025-02-06 14:38:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2025-02-06 14:38:51,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:51,926 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:51,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:38:52,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:52,127 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:52,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:52,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1741484291, now seen corresponding path program 1 times [2025-02-06 14:38:52,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:52,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534619816] [2025-02-06 14:38:52,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:52,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:52,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-02-06 14:38:52,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-02-06 14:38:52,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:52,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:52,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:52,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534619816] [2025-02-06 14:38:52,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534619816] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:52,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363803263] [2025-02-06 14:38:52,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:52,338 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:52,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:38:52,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 432 statements into 1 equivalence classes. [2025-02-06 14:38:52,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 432 of 432 statements. [2025-02-06 14:38:52,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:52,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:52,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:52,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:52,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:53,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363803263] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:53,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:53,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 14:38:53,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275625288] [2025-02-06 14:38:53,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:53,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:38:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:53,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:38:53,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:38:53,065 INFO L87 Difference]: Start difference. First operand 163 states and 252 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-02-06 14:38:53,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:53,378 INFO L93 Difference]: Finished difference Result 163 states and 252 transitions. [2025-02-06 14:38:53,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:38:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) Word has length 432 [2025-02-06 14:38:53,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:53,380 INFO L225 Difference]: With dead ends: 163 [2025-02-06 14:38:53,380 INFO L226 Difference]: Without dead ends: 162 [2025-02-06 14:38:53,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:38:53,381 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 21 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:53,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 699 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:38:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-02-06 14:38:53,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-02-06 14:38:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 75 states have internal predecessors, (81), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 251 transitions. [2025-02-06 14:38:53,393 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 251 transitions. Word has length 432 [2025-02-06 14:38:53,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:53,395 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 251 transitions. [2025-02-06 14:38:53,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-02-06 14:38:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 251 transitions. [2025-02-06 14:38:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2025-02-06 14:38:53,397 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:53,397 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:53,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 14:38:53,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:53,598 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:53,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1848561797, now seen corresponding path program 1 times [2025-02-06 14:38:53,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:53,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548490898] [2025-02-06 14:38:53,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:53,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:53,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 433 statements into 1 equivalence classes. [2025-02-06 14:38:53,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 433 of 433 statements. [2025-02-06 14:38:53,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:53,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:53,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:53,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548490898] [2025-02-06 14:38:53,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548490898] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:53,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697389704] [2025-02-06 14:38:53,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:53,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:53,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:53,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:53,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:38:53,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 433 statements into 1 equivalence classes. [2025-02-06 14:38:53,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 433 of 433 statements. [2025-02-06 14:38:53,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:53,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:53,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:53,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:54,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 18 proven. 222 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:54,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697389704] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:54,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:54,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-06 14:38:54,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641309138] [2025-02-06 14:38:54,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:54,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:38:54,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:54,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:38:54,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:38:54,479 INFO L87 Difference]: Start difference. First operand 162 states and 251 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-02-06 14:38:54,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:54,827 INFO L93 Difference]: Finished difference Result 162 states and 251 transitions. [2025-02-06 14:38:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:38:54,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 433 [2025-02-06 14:38:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:54,830 INFO L225 Difference]: With dead ends: 162 [2025-02-06 14:38:54,830 INFO L226 Difference]: Without dead ends: 161 [2025-02-06 14:38:54,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 862 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:38:54,831 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 18 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:54,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 640 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:38:54,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-02-06 14:38:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-02-06 14:38:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 74 states have internal predecessors, (80), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 250 transitions. [2025-02-06 14:38:54,843 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 250 transitions. Word has length 433 [2025-02-06 14:38:54,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:54,844 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 250 transitions. [2025-02-06 14:38:54,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-02-06 14:38:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2025-02-06 14:38:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2025-02-06 14:38:54,846 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:54,847 INFO L218 NwaCegarLoop]: trace histogram [81, 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:54,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:38:55,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:55,047 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:55,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash -433796384, now seen corresponding path program 1 times [2025-02-06 14:38:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649562512] [2025-02-06 14:38:55,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:55,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 436 statements into 1 equivalence classes. [2025-02-06 14:38:55,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 436 of 436 statements. [2025-02-06 14:38:55,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:55,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 30 proven. 444 refuted. 0 times theorem prover too weak. 12486 trivial. 0 not checked. [2025-02-06 14:38:55,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:55,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649562512] [2025-02-06 14:38:55,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649562512] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:55,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571288169] [2025-02-06 14:38:55,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:55,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:55,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:55,329 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:55,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:38:55,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 436 statements into 1 equivalence classes. [2025-02-06 14:38:55,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 436 of 436 statements. [2025-02-06 14:38:55,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:55,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:55,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:38:55,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:55,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12960 backedges. 12 proven. 228 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2025-02-06 14:38:56,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571288169] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:56,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:56,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-06 14:38:56,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289386520] [2025-02-06 14:38:56,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:56,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:38:56,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:56,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:38:56,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:38:56,063 INFO L87 Difference]: Start difference. First operand 161 states and 250 transitions. Second operand has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) [2025-02-06 14:38:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:56,455 INFO L93 Difference]: Finished difference Result 161 states and 250 transitions. [2025-02-06 14:38:56,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:38:56,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) Word has length 436 [2025-02-06 14:38:56,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:56,457 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:38:56,457 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:38:56,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 868 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:38:56,458 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 18 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:56,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 658 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:38:56,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:38:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-02-06 14:38:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 73 states have internal predecessors, (79), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 249 transitions. [2025-02-06 14:38:56,470 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 249 transitions. Word has length 436 [2025-02-06 14:38:56,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:56,470 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 249 transitions. [2025-02-06 14:38:56,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (231), 1 states have call predecessors, (231), 2 states have return successors, (231), 5 states have call predecessors, (231), 5 states have call successors, (231) [2025-02-06 14:38:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 249 transitions. [2025-02-06 14:38:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2025-02-06 14:38:56,472 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:56,472 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:56,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 14:38:56,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:56,673 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:56,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:56,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1551270435, now seen corresponding path program 1 times [2025-02-06 14:38:56,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123229775] [2025-02-06 14:38:56,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:56,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:56,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 441 statements into 1 equivalence classes. [2025-02-06 14:38:56,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 441 of 441 statements. [2025-02-06 14:38:56,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:56,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 18 proven. 225 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-02-06 14:38:56,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:56,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123229775] [2025-02-06 14:38:56,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123229775] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:56,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220247023] [2025-02-06 14:38:56,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:56,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:56,854 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:56,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:38:56,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 441 statements into 1 equivalence classes. [2025-02-06 14:38:56,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 441 of 441 statements. [2025-02-06 14:38:56,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:56,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:56,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:38:56,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-02-06 14:38:57,331 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-02-06 14:38:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220247023] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:57,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:57,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-06 14:38:57,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453405192] [2025-02-06 14:38:57,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:57,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:38:57,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:57,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:38:57,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:38:57,738 INFO L87 Difference]: Start difference. First operand 160 states and 249 transitions. Second operand has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-02-06 14:38:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:58,410 INFO L93 Difference]: Finished difference Result 164 states and 256 transitions. [2025-02-06 14:38:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:38:58,411 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) Word has length 441 [2025-02-06 14:38:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:58,412 INFO L225 Difference]: With dead ends: 164 [2025-02-06 14:38:58,412 INFO L226 Difference]: Without dead ends: 163 [2025-02-06 14:38:58,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:38:58,413 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 92 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:58,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1444 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:38:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-06 14:38:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2025-02-06 14:38:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 72 states have internal predecessors, (78), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 248 transitions. [2025-02-06 14:38:58,426 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 248 transitions. Word has length 441 [2025-02-06 14:38:58,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:58,427 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 248 transitions. [2025-02-06 14:38:58,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 states have internal predecessors, (93), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-02-06 14:38:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2025-02-06 14:38:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2025-02-06 14:38:58,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:58,429 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:58,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 14:38:58,630 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,SelfDestructingSolverStorable11 [2025-02-06 14:38:58,630 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:38:58,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:38:58,631 INFO L85 PathProgramCache]: Analyzing trace with hash -844743211, now seen corresponding path program 1 times [2025-02-06 14:38:58,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:38:58,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846872215] [2025-02-06 14:38:58,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:38:58,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 442 statements into 1 equivalence classes. [2025-02-06 14:38:58,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 442 of 442 statements. [2025-02-06 14:38:58,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:58,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-02-06 14:38:58,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:38:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846872215] [2025-02-06 14:38:58,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846872215] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:38:58,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332211544] [2025-02-06 14:38:58,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:38:58,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:38:58,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:38:58,848 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:38:58,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:38:58,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 442 statements into 1 equivalence classes. [2025-02-06 14:38:58,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 442 of 442 statements. [2025-02-06 14:38:58,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:38:58,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:38:58,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:38:58,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:38:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-02-06 14:38:59,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:38:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 24 proven. 219 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2025-02-06 14:38:59,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332211544] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:38:59,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:38:59,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2025-02-06 14:38:59,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860792815] [2025-02-06 14:38:59,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:38:59,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:38:59,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:38:59,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:38:59,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:38:59,510 INFO L87 Difference]: Start difference. First operand 159 states and 248 transitions. Second operand has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-02-06 14:38:59,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:38:59,898 INFO L93 Difference]: Finished difference Result 159 states and 248 transitions. [2025-02-06 14:38:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:38:59,899 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) Word has length 442 [2025-02-06 14:38:59,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:38:59,900 INFO L225 Difference]: With dead ends: 159 [2025-02-06 14:38:59,900 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:38:59,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 893 GetRequests, 879 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:38:59,901 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:38:59,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 801 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:38:59,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:38:59,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-02-06 14:38:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 71 states have internal predecessors, (77), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:38:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 247 transitions. [2025-02-06 14:38:59,914 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 247 transitions. Word has length 442 [2025-02-06 14:38:59,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:38:59,914 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 247 transitions. [2025-02-06 14:38:59,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.2) internal successors, (92), 11 states have internal predecessors, (92), 6 states have call successors, (232), 1 states have call predecessors, (232), 2 states have return successors, (233), 6 states have call predecessors, (233), 6 states have call successors, (233) [2025-02-06 14:38:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 247 transitions. [2025-02-06 14:38:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2025-02-06 14:38:59,918 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:38:59,919 INFO L218 NwaCegarLoop]: trace histogram [82, 82, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:38:59,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:39:00,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:00,119 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:00,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1531594822, now seen corresponding path program 1 times [2025-02-06 14:39:00,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:00,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927231667] [2025-02-06 14:39:00,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:00,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:00,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 445 statements into 1 equivalence classes. [2025-02-06 14:39:00,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 445 of 445 statements. [2025-02-06 14:39:00,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:00,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 42 proven. 438 refuted. 0 times theorem prover too weak. 12804 trivial. 0 not checked. [2025-02-06 14:39:00,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927231667] [2025-02-06 14:39:00,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927231667] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:00,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702947631] [2025-02-06 14:39:00,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:00,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:00,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:00,397 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:00,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:39:00,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 445 statements into 1 equivalence classes. [2025-02-06 14:39:00,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 445 of 445 statements. [2025-02-06 14:39:00,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:00,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:00,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:39:00,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-02-06 14:39:00,953 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 13284 backedges. 327 proven. 609 refuted. 0 times theorem prover too weak. 12348 trivial. 0 not checked. [2025-02-06 14:39:01,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702947631] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:01,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:01,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-02-06 14:39:01,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833232784] [2025-02-06 14:39:01,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:01,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 14:39:01,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:01,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 14:39:01,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:39:01,398 INFO L87 Difference]: Start difference. First operand 158 states and 247 transitions. Second operand has 23 states, 21 states have (on average 5.0) internal successors, (105), 23 states have internal predecessors, (105), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-02-06 14:39:02,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:02,207 INFO L93 Difference]: Finished difference Result 162 states and 252 transitions. [2025-02-06 14:39:02,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:39:02,208 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.0) internal successors, (105), 23 states have internal predecessors, (105), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) Word has length 445 [2025-02-06 14:39:02,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:02,209 INFO L225 Difference]: With dead ends: 162 [2025-02-06 14:39:02,209 INFO L226 Difference]: Without dead ends: 161 [2025-02-06 14:39:02,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 875 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:39:02,210 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 88 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:02,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1853 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:39:02,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-02-06 14:39:02,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2025-02-06 14:39:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 70 states have internal predecessors, (76), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 246 transitions. [2025-02-06 14:39:02,236 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 246 transitions. Word has length 445 [2025-02-06 14:39:02,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:02,236 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 246 transitions. [2025-02-06 14:39:02,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.0) internal successors, (105), 23 states have internal predecessors, (105), 11 states have call successors, (236), 1 states have call predecessors, (236), 2 states have return successors, (238), 11 states have call predecessors, (238), 11 states have call successors, (238) [2025-02-06 14:39:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2025-02-06 14:39:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2025-02-06 14:39:02,239 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:02,239 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:02,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:39:02,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:02,443 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:02,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1145241809, now seen corresponding path program 1 times [2025-02-06 14:39:02,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:02,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139746909] [2025-02-06 14:39:02,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:02,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 450 statements into 1 equivalence classes. [2025-02-06 14:39:02,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 450 of 450 statements. [2025-02-06 14:39:02,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:02,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-02-06 14:39:02,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:02,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139746909] [2025-02-06 14:39:02,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139746909] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:02,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700457009] [2025-02-06 14:39:02,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:02,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:02,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:02,616 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:02,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:39:02,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 450 statements into 1 equivalence classes. [2025-02-06 14:39:02,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 450 of 450 statements. [2025-02-06 14:39:02,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:02,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:02,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:39:02,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-02-06 14:39:03,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-02-06 14:39:03,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700457009] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:03,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:03,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-06 14:39:03,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152666685] [2025-02-06 14:39:03,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:03,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:39:03,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:03,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:39:03,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:39:03,582 INFO L87 Difference]: Start difference. First operand 157 states and 246 transitions. Second operand has 20 states, 18 states have (on average 5.722222222222222) internal successors, (103), 17 states have internal predecessors, (103), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-02-06 14:39:04,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:04,233 INFO L93 Difference]: Finished difference Result 161 states and 253 transitions. [2025-02-06 14:39:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:39:04,233 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.722222222222222) internal successors, (103), 17 states have internal predecessors, (103), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) Word has length 450 [2025-02-06 14:39:04,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:04,235 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:39:04,235 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:39:04,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 910 GetRequests, 885 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:39:04,237 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 78 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:04,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1362 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:39:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:39:04,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2025-02-06 14:39:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 69 states have internal predecessors, (75), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 245 transitions. [2025-02-06 14:39:04,251 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 245 transitions. Word has length 450 [2025-02-06 14:39:04,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:04,252 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 245 transitions. [2025-02-06 14:39:04,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.722222222222222) internal successors, (103), 17 states have internal predecessors, (103), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-02-06 14:39:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 245 transitions. [2025-02-06 14:39:04,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2025-02-06 14:39:04,254 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:04,255 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:04,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:39:04,455 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,SelfDestructingSolverStorable14 [2025-02-06 14:39:04,456 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:04,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:04,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1142757705, now seen corresponding path program 1 times [2025-02-06 14:39:04,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:04,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490808603] [2025-02-06 14:39:04,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:04,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:04,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 451 statements into 1 equivalence classes. [2025-02-06 14:39:04,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 451 of 451 statements. [2025-02-06 14:39:04,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:04,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-02-06 14:39:04,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:04,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490808603] [2025-02-06 14:39:04,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490808603] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:04,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324257452] [2025-02-06 14:39:04,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:04,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:04,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:04,690 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:04,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:39:04,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 451 statements into 1 equivalence classes. [2025-02-06 14:39:04,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 451 of 451 statements. [2025-02-06 14:39:04,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:04,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:04,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 93 conjuncts are in the unsatisfiable core [2025-02-06 14:39:04,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 2064 proven. 996 refuted. 0 times theorem prover too weak. 10552 trivial. 0 not checked. [2025-02-06 14:39:08,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 2064 proven. 996 refuted. 0 times theorem prover too weak. 10552 trivial. 0 not checked. [2025-02-06 14:39:18,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324257452] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:18,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:18,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 28, 31] total 62 [2025-02-06 14:39:18,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466518622] [2025-02-06 14:39:18,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:18,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-02-06 14:39:18,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:18,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-02-06 14:39:18,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=3539, Unknown=0, NotChecked=0, Total=3906 [2025-02-06 14:39:18,076 INFO L87 Difference]: Start difference. First operand 156 states and 245 transitions. Second operand has 63 states, 45 states have (on average 2.4444444444444446) internal successors, (110), 51 states have internal predecessors, (110), 37 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 36 states have call predecessors, (247), 37 states have call successors, (247) [2025-02-06 14:39:23,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:23,096 INFO L93 Difference]: Finished difference Result 193 states and 293 transitions. [2025-02-06 14:39:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-02-06 14:39:23,096 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 45 states have (on average 2.4444444444444446) internal successors, (110), 51 states have internal predecessors, (110), 37 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 36 states have call predecessors, (247), 37 states have call successors, (247) Word has length 451 [2025-02-06 14:39:23,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:23,099 INFO L225 Difference]: With dead ends: 193 [2025-02-06 14:39:23,099 INFO L226 Difference]: Without dead ends: 192 [2025-02-06 14:39:23,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 949 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2255 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1122, Invalid=9384, Unknown=0, NotChecked=0, Total=10506 [2025-02-06 14:39:23,101 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 99 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 4537 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 4695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 4537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:23,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 3686 Invalid, 4695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 4537 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-06 14:39:23,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-02-06 14:39:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 165. [2025-02-06 14:39:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 76 states have internal predecessors, (83), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-06 14:39:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 257 transitions. [2025-02-06 14:39:23,128 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 257 transitions. Word has length 451 [2025-02-06 14:39:23,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:23,129 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 257 transitions. [2025-02-06 14:39:23,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 45 states have (on average 2.4444444444444446) internal successors, (110), 51 states have internal predecessors, (110), 37 states have call successors, (245), 1 states have call predecessors, (245), 2 states have return successors, (247), 36 states have call predecessors, (247), 37 states have call successors, (247) [2025-02-06 14:39:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2025-02-06 14:39:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2025-02-06 14:39:23,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:23,134 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:23,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:39:23,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 14:39:23,334 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:23,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1622438246, now seen corresponding path program 1 times [2025-02-06 14:39:23,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:23,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452095380] [2025-02-06 14:39:23,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:23,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:23,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 453 statements into 1 equivalence classes. [2025-02-06 14:39:23,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 453 of 453 statements. [2025-02-06 14:39:23,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:23,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-02-06 14:39:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452095380] [2025-02-06 14:39:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452095380] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007805956] [2025-02-06 14:39:23,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:23,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:23,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:23,490 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:23,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:39:23,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 453 statements into 1 equivalence classes. [2025-02-06 14:39:23,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 453 of 453 statements. [2025-02-06 14:39:23,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:23,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:23,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:39:23,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-02-06 14:39:23,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 30 proven. 216 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2025-02-06 14:39:24,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007805956] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:24,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:24,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-06 14:39:24,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107143012] [2025-02-06 14:39:24,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:24,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:39:24,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:24,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:39:24,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:39:24,159 INFO L87 Difference]: Start difference. First operand 165 states and 257 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-02-06 14:39:24,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:24,363 INFO L93 Difference]: Finished difference Result 165 states and 257 transitions. [2025-02-06 14:39:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:39:24,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) Word has length 453 [2025-02-06 14:39:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:24,367 INFO L225 Difference]: With dead ends: 165 [2025-02-06 14:39:24,367 INFO L226 Difference]: Without dead ends: 164 [2025-02-06 14:39:24,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 902 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:39:24,368 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 30 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:24,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 446 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:39:24,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-06 14:39:24,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2025-02-06 14:39:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 68 states have internal predecessors, (74), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2025-02-06 14:39:24,387 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 453 [2025-02-06 14:39:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:24,388 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2025-02-06 14:39:24,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (155), 1 states have call predecessors, (155), 2 states have return successors, (156), 4 states have call predecessors, (156), 4 states have call successors, (156) [2025-02-06 14:39:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2025-02-06 14:39:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2025-02-06 14:39:24,390 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:24,390 INFO L218 NwaCegarLoop]: trace histogram [83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:24,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:39:24,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:39:24,592 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:24,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1983996660, now seen corresponding path program 1 times [2025-02-06 14:39:24,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:24,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922685910] [2025-02-06 14:39:24,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:24,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 454 statements into 1 equivalence classes. [2025-02-06 14:39:24,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 454 of 454 statements. [2025-02-06 14:39:24,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:24,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 54 proven. 432 refuted. 0 times theorem prover too weak. 13126 trivial. 0 not checked. [2025-02-06 14:39:24,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922685910] [2025-02-06 14:39:24,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922685910] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:24,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880871649] [2025-02-06 14:39:24,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:24,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:24,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:24,888 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:24,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:39:24,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 454 statements into 1 equivalence classes. [2025-02-06 14:39:25,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 454 of 454 statements. [2025-02-06 14:39:25,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:25,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:25,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:39:25,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:25,407 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-02-06 14:39:25,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13612 backedges. 348 proven. 600 refuted. 0 times theorem prover too weak. 12664 trivial. 0 not checked. [2025-02-06 14:39:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880871649] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:25,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-02-06 14:39:25,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68831770] [2025-02-06 14:39:25,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:25,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 14:39:25,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:25,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 14:39:25,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:39:25,880 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-02-06 14:39:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:26,683 INFO L93 Difference]: Finished difference Result 159 states and 249 transitions. [2025-02-06 14:39:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:39:26,684 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) Word has length 454 [2025-02-06 14:39:26,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:26,685 INFO L225 Difference]: With dead ends: 159 [2025-02-06 14:39:26,685 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:39:26,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 921 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:39:26,686 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 114 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 1433 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:26,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1768 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1433 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:39:26,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:39:26,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2025-02-06 14:39:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 67 states have internal predecessors, (73), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2025-02-06 14:39:26,704 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 454 [2025-02-06 14:39:26,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:26,704 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2025-02-06 14:39:26,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.476190476190476) internal successors, (115), 23 states have internal predecessors, (115), 11 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (237), 11 states have call predecessors, (237), 11 states have call successors, (237) [2025-02-06 14:39:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2025-02-06 14:39:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2025-02-06 14:39:26,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:26,706 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:26,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:39:26,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:39:26,907 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:26,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash 511251209, now seen corresponding path program 1 times [2025-02-06 14:39:26,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:26,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322599544] [2025-02-06 14:39:26,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:26,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:26,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-02-06 14:39:26,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-02-06 14:39:26,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:26,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 30 proven. 219 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-02-06 14:39:27,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:27,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322599544] [2025-02-06 14:39:27,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322599544] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:27,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279633882] [2025-02-06 14:39:27,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:27,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:27,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:27,081 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:27,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:39:27,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-02-06 14:39:27,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-02-06 14:39:27,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:27,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:27,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:39:27,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-02-06 14:39:27,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-02-06 14:39:27,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279633882] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:27,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:27,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-06 14:39:27,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724445359] [2025-02-06 14:39:27,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:27,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:39:27,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:27,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:39:27,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:39:27,962 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-02-06 14:39:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:28,421 INFO L93 Difference]: Finished difference Result 158 states and 250 transitions. [2025-02-06 14:39:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:39:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) Word has length 459 [2025-02-06 14:39:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:28,427 INFO L225 Difference]: With dead ends: 158 [2025-02-06 14:39:28,427 INFO L226 Difference]: Without dead ends: 157 [2025-02-06 14:39:28,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 928 GetRequests, 903 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:39:28,428 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 121 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:28,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 963 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:39:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-02-06 14:39:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2025-02-06 14:39:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 66 states have internal predecessors, (72), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 242 transitions. [2025-02-06 14:39:28,474 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 242 transitions. Word has length 459 [2025-02-06 14:39:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:28,474 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 242 transitions. [2025-02-06 14:39:28,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 6.277777777777778) internal successors, (113), 17 states have internal predecessors, (113), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 11 states have call predecessors, (236), 11 states have call successors, (236) [2025-02-06 14:39:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 242 transitions. [2025-02-06 14:39:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2025-02-06 14:39:28,476 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:28,476 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:28,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 14:39:28,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:28,678 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:28,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:28,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1331081711, now seen corresponding path program 1 times [2025-02-06 14:39:28,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:28,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225642817] [2025-02-06 14:39:28,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:28,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:28,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-02-06 14:39:28,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-02-06 14:39:28,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:28,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-02-06 14:39:29,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:29,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225642817] [2025-02-06 14:39:29,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225642817] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:29,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511566592] [2025-02-06 14:39:29,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:29,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:29,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:29,083 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:29,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:39:29,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 460 statements into 1 equivalence classes. [2025-02-06 14:39:29,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 460 of 460 statements. [2025-02-06 14:39:29,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:29,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:29,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:39:29,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-02-06 14:39:29,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 36 proven. 213 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-02-06 14:39:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511566592] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:29,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:29,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 14 [2025-02-06 14:39:29,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944922958] [2025-02-06 14:39:29,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:29,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:39:29,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:29,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:39:29,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:39:29,793 INFO L87 Difference]: Start difference. First operand 153 states and 242 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2025-02-06 14:39:30,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:30,431 INFO L93 Difference]: Finished difference Result 165 states and 258 transitions. [2025-02-06 14:39:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:39:30,431 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) Word has length 460 [2025-02-06 14:39:30,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:30,433 INFO L225 Difference]: With dead ends: 165 [2025-02-06 14:39:30,433 INFO L226 Difference]: Without dead ends: 164 [2025-02-06 14:39:30,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 915 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=498, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:39:30,435 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 95 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:30,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1150 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:39:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-06 14:39:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2025-02-06 14:39:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 65 states have internal predecessors, (71), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 241 transitions. [2025-02-06 14:39:30,459 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 241 transitions. Word has length 460 [2025-02-06 14:39:30,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:30,459 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 241 transitions. [2025-02-06 14:39:30,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 15 states have internal predecessors, (114), 8 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (235), 8 states have call predecessors, (235), 8 states have call successors, (235) [2025-02-06 14:39:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 241 transitions. [2025-02-06 14:39:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2025-02-06 14:39:30,462 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:30,462 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:30,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:39:30,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:30,663 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:30,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:30,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1177784550, now seen corresponding path program 1 times [2025-02-06 14:39:30,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:30,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084516706] [2025-02-06 14:39:30,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:30,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:30,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 463 statements into 1 equivalence classes. [2025-02-06 14:39:30,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 463 of 463 statements. [2025-02-06 14:39:30,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:30,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 30 proven. 219 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2025-02-06 14:39:30,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:30,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084516706] [2025-02-06 14:39:30,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084516706] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:30,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526264904] [2025-02-06 14:39:30,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:30,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:30,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:30,859 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:30,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:39:30,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 463 statements into 1 equivalence classes. [2025-02-06 14:39:30,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 463 of 463 statements. [2025-02-06 14:39:30,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:30,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:30,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:39:31,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-02-06 14:39:31,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 13944 backedges. 369 proven. 591 refuted. 0 times theorem prover too weak. 12984 trivial. 0 not checked. [2025-02-06 14:39:31,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526264904] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:31,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:31,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-02-06 14:39:31,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988304103] [2025-02-06 14:39:31,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:31,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:39:31,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:31,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:39:31,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:39:31,767 INFO L87 Difference]: Start difference. First operand 152 states and 241 transitions. Second operand has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) [2025-02-06 14:39:32,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:32,489 INFO L93 Difference]: Finished difference Result 156 states and 246 transitions. [2025-02-06 14:39:32,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:39:32,490 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) Word has length 463 [2025-02-06 14:39:32,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:32,491 INFO L225 Difference]: With dead ends: 156 [2025-02-06 14:39:32,491 INFO L226 Difference]: Without dead ends: 155 [2025-02-06 14:39:32,492 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 910 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:39:32,493 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 149 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:32,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 1524 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:39:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-06 14:39:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2025-02-06 14:39:32,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 64 states have internal predecessors, (70), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 240 transitions. [2025-02-06 14:39:32,513 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 240 transitions. Word has length 463 [2025-02-06 14:39:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:32,514 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 240 transitions. [2025-02-06 14:39:32,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 20 states have internal predecessors, (120), 11 states have call successors, (234), 1 states have call predecessors, (234), 2 states have return successors, (236), 10 states have call predecessors, (236), 11 states have call successors, (236) [2025-02-06 14:39:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 240 transitions. [2025-02-06 14:39:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2025-02-06 14:39:32,516 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:32,516 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:32,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:39:32,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:32,722 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:32,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:32,723 INFO L85 PathProgramCache]: Analyzing trace with hash 959769947, now seen corresponding path program 1 times [2025-02-06 14:39:32,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:32,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599168922] [2025-02-06 14:39:32,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:32,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:32,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-02-06 14:39:32,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-02-06 14:39:32,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:32,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:32,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:32,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599168922] [2025-02-06 14:39:32,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599168922] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:32,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185220717] [2025-02-06 14:39:32,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:32,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:32,938 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:32,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:39:32,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-02-06 14:39:33,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-02-06 14:39:33,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:33,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:33,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:39:33,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:33,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:33,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185220717] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:33,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:33,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 14:39:33,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151544914] [2025-02-06 14:39:33,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:33,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:39:33,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:33,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:39:33,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:39:33,577 INFO L87 Difference]: Start difference. First operand 151 states and 240 transitions. Second operand has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2025-02-06 14:39:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:33,768 INFO L93 Difference]: Finished difference Result 151 states and 240 transitions. [2025-02-06 14:39:33,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:39:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) Word has length 468 [2025-02-06 14:39:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:33,773 INFO L225 Difference]: With dead ends: 151 [2025-02-06 14:39:33,773 INFO L226 Difference]: Without dead ends: 150 [2025-02-06 14:39:33,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 939 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:39:33,780 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 57 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:33,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 498 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:39:33,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-02-06 14:39:33,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2025-02-06 14:39:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 63 states have internal predecessors, (69), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 239 transitions. [2025-02-06 14:39:33,816 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 239 transitions. Word has length 468 [2025-02-06 14:39:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:33,817 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 239 transitions. [2025-02-06 14:39:33,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.444444444444445) internal successors, (121), 8 states have internal predecessors, (121), 6 states have call successors, (228), 1 states have call predecessors, (228), 2 states have return successors, (229), 6 states have call predecessors, (229), 6 states have call successors, (229) [2025-02-06 14:39:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2025-02-06 14:39:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2025-02-06 14:39:33,819 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:33,819 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:33,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 14:39:34,020 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,SelfDestructingSolverStorable21 [2025-02-06 14:39:34,020 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash -311902733, now seen corresponding path program 1 times [2025-02-06 14:39:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272906509] [2025-02-06 14:39:34,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:34,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:34,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-02-06 14:39:34,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-02-06 14:39:34,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:34,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:34,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:34,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272906509] [2025-02-06 14:39:34,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272906509] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:34,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494801301] [2025-02-06 14:39:34,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:34,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:34,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:34,340 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:34,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:39:34,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-02-06 14:39:34,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-02-06 14:39:34,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:34,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:34,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:39:34,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:34,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 42 proven. 210 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:35,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494801301] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:35,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:35,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 16 [2025-02-06 14:39:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629016126] [2025-02-06 14:39:35,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:35,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:39:35,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:35,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:39:35,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:39:35,133 INFO L87 Difference]: Start difference. First operand 150 states and 239 transitions. Second operand has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2025-02-06 14:39:35,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:35,828 INFO L93 Difference]: Finished difference Result 169 states and 264 transitions. [2025-02-06 14:39:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:39:35,828 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) Word has length 469 [2025-02-06 14:39:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:35,829 INFO L225 Difference]: With dead ends: 169 [2025-02-06 14:39:35,830 INFO L226 Difference]: Without dead ends: 168 [2025-02-06 14:39:35,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 933 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:39:35,830 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 66 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:35,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1443 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:39:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-06 14:39:35,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 149. [2025-02-06 14:39:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:39:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 238 transitions. [2025-02-06 14:39:35,852 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 238 transitions. Word has length 469 [2025-02-06 14:39:35,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:35,853 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 238 transitions. [2025-02-06 14:39:35,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.8125) internal successors, (125), 17 states have internal predecessors, (125), 9 states have call successors, (235), 1 states have call predecessors, (235), 2 states have return successors, (236), 9 states have call predecessors, (236), 9 states have call successors, (236) [2025-02-06 14:39:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 238 transitions. [2025-02-06 14:39:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2025-02-06 14:39:35,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:39:35,855 INFO L218 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:35,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:39:36,056 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,SelfDestructingSolverStorable22 [2025-02-06 14:39:36,057 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:39:36,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:39:36,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1880076488, now seen corresponding path program 1 times [2025-02-06 14:39:36,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:39:36,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616834458] [2025-02-06 14:39:36,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:36,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:39:36,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 472 statements into 1 equivalence classes. [2025-02-06 14:39:36,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 472 of 472 statements. [2025-02-06 14:39:36,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:36,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 78 proven. 420 refuted. 0 times theorem prover too weak. 13782 trivial. 0 not checked. [2025-02-06 14:39:36,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:39:36,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616834458] [2025-02-06 14:39:36,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616834458] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:39:36,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434967799] [2025-02-06 14:39:36,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:39:36,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:39:36,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:39:36,294 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:39:36,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:39:36,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 472 statements into 1 equivalence classes. [2025-02-06 14:39:36,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 472 of 472 statements. [2025-02-06 14:39:36,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:39:36,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:39:36,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:39:36,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:39:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:36,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:39:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 36 proven. 216 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2025-02-06 14:39:36,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434967799] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:39:36,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:39:36,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-06 14:39:36,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308977487] [2025-02-06 14:39:36,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:39:36,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:39:36,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:39:36,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:39:36,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:39:36,862 INFO L87 Difference]: Start difference. First operand 149 states and 238 transitions. Second operand has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) [2025-02-06 14:39:37,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:39:37,330 INFO L93 Difference]: Finished difference Result 149 states and 238 transitions. [2025-02-06 14:39:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:39:37,331 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) Word has length 472 [2025-02-06 14:39:37,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:39:37,332 INFO L225 Difference]: With dead ends: 149 [2025-02-06 14:39:37,332 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 14:39:37,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 940 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:39:37,333 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 54 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:39:37,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 606 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:39:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 14:39:37,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 14:39:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:39:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 14:39:37,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 472 [2025-02-06 14:39:37,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:39:37,334 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 14:39:37,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.0) internal successors, (130), 11 states have internal predecessors, (130), 5 states have call successors, (227), 1 states have call predecessors, (227), 2 states have return successors, (227), 5 states have call predecessors, (227), 5 states have call successors, (227) [2025-02-06 14:39:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 14:39:37,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 14:39:37,338 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2025-02-06 14:39:37,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2025-02-06 14:39:37,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2025-02-06 14:39:37,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2025-02-06 14:39:37,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2025-02-06 14:39:37,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2025-02-06 14:39:37,353 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 [2025-02-06 14:39:37,541 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,SelfDestructingSolverStorable23 [2025-02-06 14:39:37,547 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:39:37,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 14:39:42,825 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 14:39:42,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:39:42 BoogieIcfgContainer [2025-02-06 14:39:42,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 14:39:42,840 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 14:39:42,840 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 14:39:42,848 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 14:39:42,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:38:38" (3/4) ... [2025-02-06 14:39:42,852 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 14:39:42,862 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-02-06 14:39:42,877 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 14:39:42,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 14:39:42,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 14:39:42,878 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 14:39:42,992 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 14:39:42,992 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 14:39:42,992 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 14:39:42,994 INFO L158 Benchmark]: Toolchain (without parser) took 65442.68ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 113.9MB in the beginning and 138.3MB in the end (delta: -24.4MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,995 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:39:42,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.03ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 101.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.21ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,995 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:39:42,995 INFO L158 Benchmark]: IcfgBuilder took 402.30ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 73.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,996 INFO L158 Benchmark]: TraceAbstraction took 64572.01ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 72.5MB in the beginning and 146.7MB in the end (delta: -74.2MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,996 INFO L158 Benchmark]: Witness Printer took 151.94ms. Allocated memory is still 285.2MB. Free memory was 146.7MB in the beginning and 138.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:39:42,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.03ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 101.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.21ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 402.30ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 73.0MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 64572.01ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 72.5MB in the beginning and 146.7MB in the end (delta: -74.2MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Witness Printer took 151.94ms. Allocated memory is still 285.2MB. Free memory was 146.7MB in the beginning and 138.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 157]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 157]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 156]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 154]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 153]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 151]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 148]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 147]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 145]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 144]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 141]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 139]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 138]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 183 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 59.2s, OverallIterations: 24, TraceHistogramMax: 85, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1290 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1290 mSDsluCounter, 26880 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23068 mSDsCounter, 1445 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21980 IncrementalHoareTripleChecker+Invalid, 23425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1445 mSolverCounterUnsat, 3812 mSDtfsCounter, 21980 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20153 GetRequests, 19680 SyntacticMatches, 12 SemanticMatches, 461 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3189 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 267, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 99 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 20743 NumberOfCodeBlocks, 20743 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 30423 ConstructedInterpolants, 0 QuantifiedInterpolants, 80270 SizeOfPredicates, 69 NumberOfNonLiveVariables, 18922 ConjunctsInSsa, 384 ConjunctsInUnsatCore, 69 InterpolantComputations, 2 PerfectInterpolantSequences, 891384/915204 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 14:39:43,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE