./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash faa806fd1be90697a522dfc0988145f6572d5d87fac98caf7aa5fe5b66e6095c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:01:32,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:01:32,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 09:01:32,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:01:32,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:01:32,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:01:32,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:01:32,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:01:32,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:01:32,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:01:32,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:01:32,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:01:32,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:01:32,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:01:32,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:01:32,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:01:32,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:01:32,364 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faa806fd1be90697a522dfc0988145f6572d5d87fac98caf7aa5fe5b66e6095c [2025-02-08 09:01:32,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:01:32,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:01:32,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:01:32,548 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:01:32,548 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:01:32,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c [2025-02-08 09:01:33,633 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f7262935/7e11dee54bf14590baac63e08386b560/FLAG1f6dbbed2 [2025-02-08 09:01:33,872 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:01:33,878 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/McCarthyIterative.c [2025-02-08 09:01:33,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f7262935/7e11dee54bf14590baac63e08386b560/FLAG1f6dbbed2 [2025-02-08 09:01:34,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f7262935/7e11dee54bf14590baac63e08386b560 [2025-02-08 09:01:34,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:01:34,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:01:34,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:01:34,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:01:34,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:01:34,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a733b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34, skipping insertion in model container [2025-02-08 09:01:34,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:01:34,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:01:34,324 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:01:34,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:01:34,342 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:01:34,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34 WrapperNode [2025-02-08 09:01:34,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:01:34,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:01:34,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:01:34,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:01:34,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,358 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2025-02-08 09:01:34,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:01:34,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:01:34,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:01:34,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:01:34,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,368 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 09:01:34,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:01:34,373 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:01:34,373 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:01:34,373 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:01:34,376 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (1/1) ... [2025-02-08 09:01:34,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:01:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:34,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:01:34,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:01:34,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:01:34,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:01:34,478 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:01:34,479 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:01:34,546 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-08 09:01:34,546 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:01:34,552 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:01:34,552 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:01:34,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:01:34 BoogieIcfgContainer [2025-02-08 09:01:34,553 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:01:34,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:01:34,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:01:34,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:01:34,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:01:34" (1/3) ... [2025-02-08 09:01:34,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4a49d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:01:34, skipping insertion in model container [2025-02-08 09:01:34,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:34" (2/3) ... [2025-02-08 09:01:34,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4a49d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:01:34, skipping insertion in model container [2025-02-08 09:01:34,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:01:34" (3/3) ... [2025-02-08 09:01:34,559 INFO L128 eAbstractionObserver]: Analyzing ICFG McCarthyIterative.c [2025-02-08 09:01:34,568 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:01:34,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG McCarthyIterative.c that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 8 error locations. [2025-02-08 09:01:34,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:01:34,603 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;@10b9b598, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:01:34,603 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 09:01:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:01:34,608 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,609 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:01:34,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1538135, now seen corresponding path program 1 times [2025-02-08 09:01:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348776733] [2025-02-08 09:01:34,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:01:34,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:01:34,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348776733] [2025-02-08 09:01:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348776733] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:01:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297453744] [2025-02-08 09:01:34,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,728 INFO L87 Difference]: Start difference. First operand has 21 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 20 states have internal predecessors, (22), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:34,749 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2025-02-08 09:01:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:34,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:01:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:34,755 INFO L225 Difference]: With dead ends: 21 [2025-02-08 09:01:34,755 INFO L226 Difference]: Without dead ends: 18 [2025-02-08 09:01:34,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,758 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:34,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-08 09:01:34,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-08 09:01:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2025-02-08 09:01:34,777 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 4 [2025-02-08 09:01:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:34,777 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2025-02-08 09:01:34,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2025-02-08 09:01:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:01:34,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,778 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:01:34,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:01:34,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1538174, now seen corresponding path program 1 times [2025-02-08 09:01:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107457547] [2025-02-08 09:01:34,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:01:34,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:01:34,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107457547] [2025-02-08 09:01:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107457547] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:34,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415225646] [2025-02-08 09:01:34,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,800 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:34,829 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2025-02-08 09:01:34,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:34,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:01:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:34,830 INFO L225 Difference]: With dead ends: 27 [2025-02-08 09:01:34,830 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 09:01:34,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,831 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 7 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:34,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 20 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:34,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 09:01:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2025-02-08 09:01:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2025-02-08 09:01:34,836 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 4 [2025-02-08 09:01:34,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:34,837 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2025-02-08 09:01:34,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2025-02-08 09:01:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:01:34,838 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,838 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:01:34,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:01:34,838 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash 47682160, now seen corresponding path program 1 times [2025-02-08 09:01:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84002477] [2025-02-08 09:01:34,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:01:34,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:01:34,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84002477] [2025-02-08 09:01:34,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84002477] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:34,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352394084] [2025-02-08 09:01:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,867 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:34,883 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2025-02-08 09:01:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:01:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:34,883 INFO L225 Difference]: With dead ends: 24 [2025-02-08 09:01:34,884 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 09:01:34,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,884 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:34,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 09:01:34,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 09:01:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2025-02-08 09:01:34,887 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 5 [2025-02-08 09:01:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:34,887 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2025-02-08 09:01:34,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2025-02-08 09:01:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:01:34,888 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,888 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:01:34,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:01:34,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 47683377, now seen corresponding path program 1 times [2025-02-08 09:01:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389323376] [2025-02-08 09:01:34,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:01:34,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:01:34,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389323376] [2025-02-08 09:01:34,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389323376] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:01:34,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124825604] [2025-02-08 09:01:34,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,920 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:34,937 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2025-02-08 09:01:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:34,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:01:34,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:34,938 INFO L225 Difference]: With dead ends: 23 [2025-02-08 09:01:34,938 INFO L226 Difference]: Without dead ends: 22 [2025-02-08 09:01:34,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,938 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:34,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:34,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-02-08 09:01:34,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-02-08 09:01:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2025-02-08 09:01:34,941 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 5 [2025-02-08 09:01:34,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:34,941 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2025-02-08 09:01:34,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,941 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2025-02-08 09:01:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:01:34,942 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:01:34,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:01:34,942 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1478146933, now seen corresponding path program 1 times [2025-02-08 09:01:34,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582001482] [2025-02-08 09:01:34,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:01:34,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:01:34,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582001482] [2025-02-08 09:01:34,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582001482] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699483346] [2025-02-08 09:01:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,963 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:34,976 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2025-02-08 09:01:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:34,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:01:34,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:34,976 INFO L225 Difference]: With dead ends: 23 [2025-02-08 09:01:34,976 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 09:01:34,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,977 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:34,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:34,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 09:01:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2025-02-08 09:01:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2025-02-08 09:01:34,980 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 6 [2025-02-08 09:01:34,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:34,980 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2025-02-08 09:01:34,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2025-02-08 09:01:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:01:34,980 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:34,980 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:34,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:01:34,980 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:34,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:34,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1422085362, now seen corresponding path program 1 times [2025-02-08 09:01:34,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:34,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822917123] [2025-02-08 09:01:34,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:34,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:01:34,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:01:34,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:34,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:34,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:34,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822917123] [2025-02-08 09:01:34,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822917123] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:34,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:34,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:34,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878146345] [2025-02-08 09:01:34,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:34,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:34,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:34,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:34,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:34,999 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:35,015 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2025-02-08 09:01:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:35,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 09:01:35,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:35,016 INFO L225 Difference]: With dead ends: 39 [2025-02-08 09:01:35,016 INFO L226 Difference]: Without dead ends: 37 [2025-02-08 09:01:35,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:35,017 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:35,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:35,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-08 09:01:35,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2025-02-08 09:01:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2025-02-08 09:01:35,021 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 7 [2025-02-08 09:01:35,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:35,021 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2025-02-08 09:01:35,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2025-02-08 09:01:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:01:35,022 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:35,022 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:35,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:01:35,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:35,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash 212377444, now seen corresponding path program 1 times [2025-02-08 09:01:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113859580] [2025-02-08 09:01:35,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:35,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:01:35,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:01:35,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113859580] [2025-02-08 09:01:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113859580] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:35,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:35,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:01:35,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429721714] [2025-02-08 09:01:35,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:35,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:01:35,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:35,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:01:35,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:35,056 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:35,074 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2025-02-08 09:01:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:01:35,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:01:35,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:35,075 INFO L225 Difference]: With dead ends: 54 [2025-02-08 09:01:35,075 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 09:01:35,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:35,076 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:35,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:35,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 09:01:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-02-08 09:01:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 25 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2025-02-08 09:01:35,079 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 10 [2025-02-08 09:01:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:35,079 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2025-02-08 09:01:35,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2025-02-08 09:01:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:01:35,080 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:35,080 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:35,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:01:35,081 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:35,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:35,081 INFO L85 PathProgramCache]: Analyzing trace with hash -632729815, now seen corresponding path program 1 times [2025-02-08 09:01:35,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:35,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223295162] [2025-02-08 09:01:35,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:35,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:01:35,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:01:35,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:35,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223295162] [2025-02-08 09:01:35,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223295162] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:35,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241230512] [2025-02-08 09:01:35,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:35,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:35,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:35,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:01:35,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:01:35,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:01:35,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:01:35,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,176 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241230512] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:35,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:35,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 09:01:35,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124579710] [2025-02-08 09:01:35,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:35,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:01:35,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:35,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:01:35,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:01:35,207 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:35,231 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2025-02-08 09:01:35,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:01:35,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-08 09:01:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:35,232 INFO L225 Difference]: With dead ends: 55 [2025-02-08 09:01:35,232 INFO L226 Difference]: Without dead ends: 53 [2025-02-08 09:01:35,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:01:35,232 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:35,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:35,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-08 09:01:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2025-02-08 09:01:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 46 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2025-02-08 09:01:35,245 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 13 [2025-02-08 09:01:35,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:35,245 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2025-02-08 09:01:35,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2025-02-08 09:01:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:01:35,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:35,246 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:35,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:01:35,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:35,447 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:35,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:35,448 INFO L85 PathProgramCache]: Analyzing trace with hash 957532521, now seen corresponding path program 1 times [2025-02-08 09:01:35,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:35,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417536106] [2025-02-08 09:01:35,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:35,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:01:35,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:01:35,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:01:35,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:35,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417536106] [2025-02-08 09:01:35,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417536106] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:35,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:35,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:01:35,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198795692] [2025-02-08 09:01:35,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:35,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:01:35,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:35,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:01:35,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:35,481 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:35,499 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2025-02-08 09:01:35,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:01:35,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 09:01:35,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:35,500 INFO L225 Difference]: With dead ends: 61 [2025-02-08 09:01:35,500 INFO L226 Difference]: Without dead ends: 33 [2025-02-08 09:01:35,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:35,501 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:35,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 27 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-02-08 09:01:35,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2025-02-08 09:01:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2025-02-08 09:01:35,504 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 16 [2025-02-08 09:01:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:35,504 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2025-02-08 09:01:35,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2025-02-08 09:01:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:01:35,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:35,505 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1] [2025-02-08 09:01:35,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:01:35,505 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:35,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:35,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1892353157, now seen corresponding path program 1 times [2025-02-08 09:01:35,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:35,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031981512] [2025-02-08 09:01:35,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:35,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:01:35,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:01:35,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,568 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031981512] [2025-02-08 09:01:35,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031981512] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969978092] [2025-02-08 09:01:35,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:35,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:35,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:35,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:01:35,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:01:35,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:01:35,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:35,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:35,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:01:35,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:35,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969978092] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:35,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:35,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:01:35,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779999478] [2025-02-08 09:01:35,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:35,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:01:35,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:35,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:01:35,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:01:35,656 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:35,701 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2025-02-08 09:01:35,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:01:35,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-08 09:01:35,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:35,702 INFO L225 Difference]: With dead ends: 113 [2025-02-08 09:01:35,702 INFO L226 Difference]: Without dead ends: 56 [2025-02-08 09:01:35,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:01:35,703 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 32 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:35,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-02-08 09:01:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-02-08 09:01:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 55 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2025-02-08 09:01:35,707 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 19 [2025-02-08 09:01:35,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:35,707 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2025-02-08 09:01:35,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2025-02-08 09:01:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:01:35,708 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:35,708 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 1, 1] [2025-02-08 09:01:35,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:01:35,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:35,913 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:35,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:35,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2115587727, now seen corresponding path program 2 times [2025-02-08 09:01:35,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:35,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100580098] [2025-02-08 09:01:35,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:01:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:35,920 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-02-08 09:01:35,925 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:01:35,925 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:01:35,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:36,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:36,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100580098] [2025-02-08 09:01:36,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100580098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317847754] [2025-02-08 09:01:36,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:01:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:36,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:36,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:01:36,032 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-02-08 09:01:36,041 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:01:36,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:01:36,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:36,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:01:36,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:36,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:36,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317847754] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:36,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:36,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-02-08 09:01:36,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173407826] [2025-02-08 09:01:36,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:36,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:01:36,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:36,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:01:36,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:01:36,200 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:36,302 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2025-02-08 09:01:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:01:36,303 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2025-02-08 09:01:36,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:36,303 INFO L225 Difference]: With dead ends: 257 [2025-02-08 09:01:36,304 INFO L226 Difference]: Without dead ends: 104 [2025-02-08 09:01:36,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:01:36,304 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 76 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:36,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 128 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:01:36,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-08 09:01:36,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-08 09:01:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.0388349514563107) internal successors, (107), 103 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 107 transitions. [2025-02-08 09:01:36,310 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 107 transitions. Word has length 43 [2025-02-08 09:01:36,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:36,310 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 107 transitions. [2025-02-08 09:01:36,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2025-02-08 09:01:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:01:36,315 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:36,315 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1] [2025-02-08 09:01:36,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 09:01:36,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:36,517 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:36,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:36,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1471348553, now seen corresponding path program 3 times [2025-02-08 09:01:36,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:36,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938459169] [2025-02-08 09:01:36,517 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:01:36,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:36,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-02-08 09:01:36,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:01:36,542 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:01:36,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:36,789 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:36,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:36,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938459169] [2025-02-08 09:01:36,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938459169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:36,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714406965] [2025-02-08 09:01:36,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:01:36,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:36,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:36,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:36,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:01:36,812 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-02-08 09:01:36,830 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:01:36,831 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:01:36,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:36,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:01:36,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:36,939 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:36,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:37,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714406965] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:37,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:37,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 30 [2025-02-08 09:01:37,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443571389] [2025-02-08 09:01:37,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:37,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 09:01:37,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:37,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 09:01:37,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:01:37,290 INFO L87 Difference]: Start difference. First operand 104 states and 107 transitions. Second operand has 32 states, 31 states have (on average 5.870967741935484) internal successors, (182), 31 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:37,488 INFO L93 Difference]: Finished difference Result 545 states and 635 transitions. [2025-02-08 09:01:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 09:01:37,489 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.870967741935484) internal successors, (182), 31 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2025-02-08 09:01:37,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:37,490 INFO L225 Difference]: With dead ends: 545 [2025-02-08 09:01:37,490 INFO L226 Difference]: Without dead ends: 200 [2025-02-08 09:01:37,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:01:37,491 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 184 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:37,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 272 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:01:37,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2025-02-08 09:01:37,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2025-02-08 09:01:37,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.020100502512563) internal successors, (203), 199 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 203 transitions. [2025-02-08 09:01:37,500 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 203 transitions. Word has length 91 [2025-02-08 09:01:37,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:37,501 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 203 transitions. [2025-02-08 09:01:37,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.870967741935484) internal successors, (182), 31 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 203 transitions. [2025-02-08 09:01:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-08 09:01:37,503 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:37,503 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 30, 1, 1] [2025-02-08 09:01:37,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:01:37,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:01:37,707 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:37,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:37,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2014352647, now seen corresponding path program 4 times [2025-02-08 09:01:37,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:37,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465214883] [2025-02-08 09:01:37,708 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:01:37,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:37,719 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-02-08 09:01:37,753 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-08 09:01:37,753 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:01:37,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:38,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:38,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465214883] [2025-02-08 09:01:38,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465214883] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:38,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079092054] [2025-02-08 09:01:38,633 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:01:38,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:38,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:38,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:38,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:01:38,657 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-02-08 09:01:38,685 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-08 09:01:38,685 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:01:38,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:38,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 09:01:38,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:38,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:40,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079092054] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:40,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:40,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 62 [2025-02-08 09:01:40,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501971498] [2025-02-08 09:01:40,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:40,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-02-08 09:01:40,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:40,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-02-08 09:01:40,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 09:01:40,325 INFO L87 Difference]: Start difference. First operand 200 states and 203 transitions. Second operand has 64 states, 63 states have (on average 5.936507936507937) internal successors, (374), 63 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:40,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:40,786 INFO L93 Difference]: Finished difference Result 1121 states and 1307 transitions. [2025-02-08 09:01:40,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-02-08 09:01:40,786 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.936507936507937) internal successors, (374), 63 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2025-02-08 09:01:40,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:40,788 INFO L225 Difference]: With dead ends: 1121 [2025-02-08 09:01:40,788 INFO L226 Difference]: Without dead ends: 392 [2025-02-08 09:01:40,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 09:01:40,790 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 500 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:40,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 788 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:01:40,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-08 09:01:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-02-08 09:01:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 391 states have (on average 1.010230179028133) internal successors, (395), 391 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 395 transitions. [2025-02-08 09:01:40,802 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 395 transitions. Word has length 187 [2025-02-08 09:01:40,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:40,803 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 395 transitions. [2025-02-08 09:01:40,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.936507936507937) internal successors, (374), 63 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 395 transitions. [2025-02-08 09:01:40,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2025-02-08 09:01:40,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:40,806 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 62, 1, 1] [2025-02-08 09:01:40,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:01:41,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 09:01:41,008 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:41,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:41,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1921547687, now seen corresponding path program 5 times [2025-02-08 09:01:41,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:41,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777593962] [2025-02-08 09:01:41,010 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:01:41,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:41,022 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 379 statements into 63 equivalence classes. [2025-02-08 09:01:41,090 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 379 of 379 statements. [2025-02-08 09:01:41,091 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-02-08 09:01:41,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:43,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:43,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777593962] [2025-02-08 09:01:43,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777593962] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:43,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967399796] [2025-02-08 09:01:43,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:01:43,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:43,478 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:43,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:01:43,514 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 379 statements into 63 equivalence classes. [2025-02-08 09:01:43,611 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 379 of 379 statements. [2025-02-08 09:01:43,611 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-02-08 09:01:43,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:43,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-02-08 09:01:43,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:44,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:48,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967399796] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:48,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:48,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 126 [2025-02-08 09:01:48,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616116428] [2025-02-08 09:01:48,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:48,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-02-08 09:01:48,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:48,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-02-08 09:01:48,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2025-02-08 09:01:48,063 INFO L87 Difference]: Start difference. First operand 392 states and 395 transitions. Second operand has 128 states, 127 states have (on average 5.968503937007874) internal successors, (758), 127 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:49,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:49,945 INFO L93 Difference]: Finished difference Result 2273 states and 2651 transitions. [2025-02-08 09:01:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2025-02-08 09:01:49,946 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 5.968503937007874) internal successors, (758), 127 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 379 [2025-02-08 09:01:49,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:49,950 INFO L225 Difference]: With dead ends: 2273 [2025-02-08 09:01:49,951 INFO L226 Difference]: Without dead ends: 776 [2025-02-08 09:01:49,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 693 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2025-02-08 09:01:49,956 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 1588 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:49,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 1466 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:01:49,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2025-02-08 09:01:49,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 776. [2025-02-08 09:01:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 775 states have (on average 1.0051612903225806) internal successors, (779), 775 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 779 transitions. [2025-02-08 09:01:49,975 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 779 transitions. Word has length 379 [2025-02-08 09:01:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:49,976 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 779 transitions. [2025-02-08 09:01:49,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 5.968503937007874) internal successors, (758), 127 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 779 transitions. [2025-02-08 09:01:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2025-02-08 09:01:49,985 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:49,985 INFO L218 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 127, 126, 1, 1] [2025-02-08 09:01:49,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:01:50,190 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,SelfDestructingSolverStorable13 [2025-02-08 09:01:50,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:01:50,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1060851431, now seen corresponding path program 6 times [2025-02-08 09:01:50,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:50,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698200174] [2025-02-08 09:01:50,191 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:01:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:50,205 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 763 statements into 127 equivalence classes. [2025-02-08 09:01:50,305 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) and asserted 763 of 763 statements. [2025-02-08 09:01:50,305 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2025-02-08 09:01:50,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 48006 backedges. 0 proven. 48006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:59,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:59,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698200174] [2025-02-08 09:01:59,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698200174] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:59,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323338451] [2025-02-08 09:01:59,046 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:01:59,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:59,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:59,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:01:59,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:01:59,086 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 763 statements into 127 equivalence classes. [2025-02-08 09:01:59,336 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) and asserted 763 of 763 statements. [2025-02-08 09:01:59,337 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2025-02-08 09:01:59,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:59,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-02-08 09:01:59,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:02:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48006 backedges. 0 proven. 48006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:02:00,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:02:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 48006 backedges. 0 proven. 48006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:02:15,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323338451] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:02:15,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:02:15,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 254 [2025-02-08 09:02:15,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710053785] [2025-02-08 09:02:15,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:02:15,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2025-02-08 09:02:15,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:02:15,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2025-02-08 09:02:15,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2025-02-08 09:02:15,846 INFO L87 Difference]: Start difference. First operand 776 states and 779 transitions. Second operand has 256 states, 255 states have (on average 5.984313725490196) internal successors, (1526), 255 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:02:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:02:30,743 INFO L93 Difference]: Finished difference Result 4577 states and 5339 transitions. [2025-02-08 09:02:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2025-02-08 09:02:30,744 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 5.984313725490196) internal successors, (1526), 255 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 763 [2025-02-08 09:02:30,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:02:30,750 INFO L225 Difference]: With dead ends: 4577 [2025-02-08 09:02:30,750 INFO L226 Difference]: Without dead ends: 1544 [2025-02-08 09:02:30,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1651 GetRequests, 1397 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=32640, Invalid=32640, Unknown=0, NotChecked=0, Total=65280 [2025-02-08 09:02:30,757 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 2984 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 3149 SdHoareTripleChecker+Invalid, 3104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:02:30,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 3149 Invalid, 3104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:02:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2025-02-08 09:02:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2025-02-08 09:02:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1543 states have (on average 1.002592352559948) internal successors, (1547), 1543 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:02:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 1547 transitions. [2025-02-08 09:02:30,787 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 1547 transitions. Word has length 763 [2025-02-08 09:02:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:02:30,789 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 1547 transitions. [2025-02-08 09:02:30,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 5.984313725490196) internal successors, (1526), 255 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:02:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 1547 transitions. [2025-02-08 09:02:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2025-02-08 09:02:30,818 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:02:30,818 INFO L218 NwaCegarLoop]: trace histogram [255, 255, 255, 255, 255, 254, 1, 1] [2025-02-08 09:02:30,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:02:31,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:02:31,020 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:02:31,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:02:31,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1750273689, now seen corresponding path program 7 times [2025-02-08 09:02:31,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:02:31,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879830642] [2025-02-08 09:02:31,021 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:02:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:02:31,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1531 statements into 1 equivalence classes. [2025-02-08 09:02:31,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1531 of 1531 statements. [2025-02-08 09:02:31,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:02:31,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:03:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 194310 backedges. 0 proven. 194310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:03:14,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:03:14,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879830642] [2025-02-08 09:03:14,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879830642] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:03:14,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613617044] [2025-02-08 09:03:14,025 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:03:14,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:03:14,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:03:14,027 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:03:14,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:03:14,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1531 statements into 1 equivalence classes. [2025-02-08 09:03:14,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1531 of 1531 statements. [2025-02-08 09:03:14,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:03:14,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:03:14,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 256 conjuncts are in the unsatisfiable core [2025-02-08 09:03:14,497 INFO L279 TraceCheckSpWp]: Computing forward predicates...