./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/DivMinus2.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/DivMinus2.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 804e8d646f3136915195a4e5e9f5153cc3c1cd2abf96df3f09c683a14a27e4de --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:01:07,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:01:07,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 09:01:07,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:01:07,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:01:07,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:01:07,312 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:01:07,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:01:07,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:01:07,313 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:01:07,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:01:07,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:01:07,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:01:07,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:01:07,314 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:01:07,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:01:07,315 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:01:07,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:01:07,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:01:07,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:01:07,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:01:07,317 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 -> 804e8d646f3136915195a4e5e9f5153cc3c1cd2abf96df3f09c683a14a27e4de [2025-02-08 09:01:07,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:01:07,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:01:07,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:01:07,541 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:01:07,541 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:01:07,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/DivMinus2.c [2025-02-08 09:01:08,727 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/99be9bd78/f8628eeae0124ce0a3f0b94ef3d893a3/FLAG5e92e9f1f [2025-02-08 09:01:08,932 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:01:08,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/DivMinus2.c [2025-02-08 09:01:08,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/99be9bd78/f8628eeae0124ce0a3f0b94ef3d893a3/FLAG5e92e9f1f [2025-02-08 09:01:09,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/99be9bd78/f8628eeae0124ce0a3f0b94ef3d893a3 [2025-02-08 09:01:09,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:01:09,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:01:09,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:01:09,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:01:09,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:01:09,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ace21d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09, skipping insertion in model container [2025-02-08 09:01:09,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:01:09,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:01:09,390 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:01:09,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:01:09,406 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:01:09,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09 WrapperNode [2025-02-08 09:01:09,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:01:09,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:01:09,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:01:09,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:01:09,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,426 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2025-02-08 09:01:09,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:01:09,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:01:09,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:01:09,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:01:09,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,440 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 09:01:09,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:01:09,452 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:01:09,453 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:01:09,453 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:01:09,454 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (1/1) ... [2025-02-08 09:01:09,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:01:09,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:09,480 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 09:01:09,490 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 09:01:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:01:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:01:09,553 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:01:09,554 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:01:09,668 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-02-08 09:01:09,669 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:01:09,677 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:01:09,678 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:01:09,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:01:09 BoogieIcfgContainer [2025-02-08 09:01:09,678 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:01:09,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:01:09,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:01:09,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:01:09,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:01:09" (1/3) ... [2025-02-08 09:01:09,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c4ebdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:01:09, skipping insertion in model container [2025-02-08 09:01:09,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:01:09" (2/3) ... [2025-02-08 09:01:09,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64c4ebdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:01:09, skipping insertion in model container [2025-02-08 09:01:09,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:01:09" (3/3) ... [2025-02-08 09:01:09,687 INFO L128 eAbstractionObserver]: Analyzing ICFG DivMinus2.c [2025-02-08 09:01:09,697 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:01:09,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG DivMinus2.c that has 1 procedures, 26 locations, 1 initial locations, 2 loop locations, and 10 error locations. [2025-02-08 09:01:09,735 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:01:09,744 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;@6c0ded76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:01:09,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-08 09:01:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 25 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 09:01:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:01:09,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:09,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:01:09,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:09,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:09,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1722860, now seen corresponding path program 1 times [2025-02-08 09:01:09,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:09,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515506068] [2025-02-08 09:01:09,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:09,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:09,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:01:09,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:01:09,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:09,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:09,876 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 09:01:09,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:09,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515506068] [2025-02-08 09:01:09,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515506068] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:09,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:09,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:09,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798223581] [2025-02-08 09:01:09,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:09,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:09,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:09,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:09,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:09,895 INFO L87 Difference]: Start difference. First operand has 26 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 25 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) 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 09:01:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:09,913 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2025-02-08 09:01:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:09,915 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 09:01:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:09,919 INFO L225 Difference]: With dead ends: 26 [2025-02-08 09:01:09,919 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 09:01:09,922 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 09:01:09,924 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 20 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:09,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:09,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 09:01:09,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 09:01:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 22 states have internal predecessors, (25), 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 09:01:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-02-08 09:01:09,952 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 4 [2025-02-08 09:01:09,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:09,952 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-08 09:01:09,952 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 09:01:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-02-08 09:01:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:01:09,953 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:09,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:01:09,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:01:09,954 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:09,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:09,955 INFO L85 PathProgramCache]: Analyzing trace with hash 53408238, now seen corresponding path program 1 times [2025-02-08 09:01:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:09,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133144250] [2025-02-08 09:01:09,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:09,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:01:09,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:01:09,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:09,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:09,994 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 09:01:09,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:09,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133144250] [2025-02-08 09:01:09,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133144250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:09,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:09,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:01:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698873101] [2025-02-08 09:01:09,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:09,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:09,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:09,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:09,997 INFO L87 Difference]: Start difference. First operand 23 states and 25 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 09:01:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,037 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2025-02-08 09:01:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:10,038 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 09:01:10,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,038 INFO L225 Difference]: With dead ends: 46 [2025-02-08 09:01:10,039 INFO L226 Difference]: Without dead ends: 24 [2025-02-08 09:01:10,039 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 09:01:10,040 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:10,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 30 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-02-08 09:01:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2025-02-08 09:01:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.625) internal successors, (26), 23 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 09:01:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2025-02-08 09:01:10,046 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 5 [2025-02-08 09:01:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,046 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2025-02-08 09:01:10,046 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 09:01:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2025-02-08 09:01:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:01:10,047 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,048 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:01:10,048 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1655655357, now seen corresponding path program 1 times [2025-02-08 09:01:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274621079] [2025-02-08 09:01:10,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:01:10,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:01:10,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,108 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 09:01:10,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274621079] [2025-02-08 09:01:10,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274621079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:10,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:10,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:01:10,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169934800] [2025-02-08 09:01:10,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:01:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:01:10,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:10,110 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 09:01:10,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,142 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2025-02-08 09:01:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:01:10,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 09:01:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,143 INFO L225 Difference]: With dead ends: 24 [2025-02-08 09:01:10,143 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 09:01:10,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:01:10,144 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 15 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 09:01:10,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 15 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 09:01:10,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-08 09:01:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 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 09:01:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2025-02-08 09:01:10,147 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 6 [2025-02-08 09:01:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,147 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2025-02-08 09:01:10,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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 09:01:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2025-02-08 09:01:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:01:10,148 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:01:10,148 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,148 INFO L85 PathProgramCache]: Analyzing trace with hash -214291508, now seen corresponding path program 1 times [2025-02-08 09:01:10,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248469653] [2025-02-08 09:01:10,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:01:10,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:01:10,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,196 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 09:01:10,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248469653] [2025-02-08 09:01:10,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248469653] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:10,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:10,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:01:10,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033195701] [2025-02-08 09:01:10,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:10,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:10,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:10,200 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 09:01:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,216 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2025-02-08 09:01:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:10,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 09:01:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,217 INFO L225 Difference]: With dead ends: 28 [2025-02-08 09:01:10,217 INFO L226 Difference]: Without dead ends: 27 [2025-02-08 09:01:10,217 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 09:01:10,218 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 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 09:01:10,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-08 09:01:10,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2025-02-08 09:01:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 25 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 09:01:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2025-02-08 09:01:10,223 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 7 [2025-02-08 09:01:10,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,223 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2025-02-08 09:01:10,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 09:01:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2025-02-08 09:01:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 09:01:10,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,225 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:01:10,225 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1946897819, now seen corresponding path program 1 times [2025-02-08 09:01:10,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659229743] [2025-02-08 09:01:10,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:01:10,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:01:10,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,246 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 09:01:10,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659229743] [2025-02-08 09:01:10,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659229743] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:10,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:10,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:10,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872202879] [2025-02-08 09:01:10,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:10,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:10,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:10,248 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,260 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2025-02-08 09:01:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:10,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 09:01:10,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,260 INFO L225 Difference]: With dead ends: 26 [2025-02-08 09:01:10,260 INFO L226 Difference]: Without dead ends: 25 [2025-02-08 09:01:10,260 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 09:01:10,261 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:10,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-08 09:01:10,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-08 09:01:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 24 states have internal predecessors, (27), 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 09:01:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2025-02-08 09:01:10,264 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 8 [2025-02-08 09:01:10,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,264 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2025-02-08 09:01:10,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2025-02-08 09:01:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:01:10,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,265 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:01:10,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,265 INFO L85 PathProgramCache]: Analyzing trace with hash 794553659, now seen corresponding path program 1 times [2025-02-08 09:01:10,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379025457] [2025-02-08 09:01:10,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:01:10,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:01:10,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,328 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 09:01:10,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379025457] [2025-02-08 09:01:10,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379025457] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:10,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:10,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:01:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512128900] [2025-02-08 09:01:10,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:01:10,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:01:10,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:10,330 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,342 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2025-02-08 09:01:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:01:10,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:01:10,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,342 INFO L225 Difference]: With dead ends: 41 [2025-02-08 09:01:10,343 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 09:01:10,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:01:10,343 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:10,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 09:01:10,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-08 09:01:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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 09:01:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2025-02-08 09:01:10,346 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2025-02-08 09:01:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,346 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2025-02-08 09:01:10,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2025-02-08 09:01:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:01:10,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,347 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:01:10,347 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash 794554013, now seen corresponding path program 1 times [2025-02-08 09:01:10,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654929018] [2025-02-08 09:01:10,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:01:10,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:01:10,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:01:10,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654929018] [2025-02-08 09:01:10,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654929018] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:01:10,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:01:10,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:01:10,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408540080] [2025-02-08 09:01:10,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:01:10,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:01:10,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:01:10,374 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,381 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2025-02-08 09:01:10,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:01:10,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:01:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,382 INFO L225 Difference]: With dead ends: 33 [2025-02-08 09:01:10,382 INFO L226 Difference]: Without dead ends: 32 [2025-02-08 09:01:10,382 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 09:01:10,383 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:10,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-02-08 09:01:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2025-02-08 09:01:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 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 09:01:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2025-02-08 09:01:10,390 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 11 [2025-02-08 09:01:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,391 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2025-02-08 09:01:10,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:01:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2025-02-08 09:01:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:01:10,391 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,392 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:01:10,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:01:10,392 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,392 INFO L85 PathProgramCache]: Analyzing trace with hash -938150542, now seen corresponding path program 1 times [2025-02-08 09:01:10,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14656642] [2025-02-08 09:01:10,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:01:10,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:01:10,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:10,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14656642] [2025-02-08 09:01:10,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14656642] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:10,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014682678] [2025-02-08 09:01:10,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:10,448 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 09:01:10,455 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 09:01:10,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:01:10,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:01:10,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:01:10,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:01:10,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:10,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:01:10,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014682678] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:10,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:10,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 5] total 9 [2025-02-08 09:01:10,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804220818] [2025-02-08 09:01:10,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:10,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:01:10,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:10,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:01:10,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:01:10,625 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:10,670 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2025-02-08 09:01:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:01:10,670 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:10,670 INFO L225 Difference]: With dead ends: 31 [2025-02-08 09:01:10,671 INFO L226 Difference]: Without dead ends: 30 [2025-02-08 09:01:10,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=90, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:01:10,671 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:10,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:10,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2025-02-08 09:01:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2025-02-08 09:01:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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 09:01:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2025-02-08 09:01:10,674 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 13 [2025-02-08 09:01:10,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:10,674 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2025-02-08 09:01:10,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 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 09:01:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2025-02-08 09:01:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:01:10,675 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:10,675 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-08 09:01:10,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:01:10,875 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 09:01:10,876 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:10,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1536654656, now seen corresponding path program 1 times [2025-02-08 09:01:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956451546] [2025-02-08 09:01:10,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:10,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:01:10,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:01:10,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:01:10,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:10,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956451546] [2025-02-08 09:01:10,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956451546] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:10,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297269072] [2025-02-08 09:01:10,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:01:10,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:10,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:10,922 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 09:01:10,924 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 09:01:10,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:01:10,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:01:10,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:10,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:10,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:01:10,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:01:10,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:01:11,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297269072] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:11,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:11,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 09:01:11,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774051040] [2025-02-08 09:01:11,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:11,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:01:11,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:11,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:01:11,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:01:11,028 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 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 09:01:11,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:11,047 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2025-02-08 09:01:11,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:01:11,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 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) Word has length 21 [2025-02-08 09:01:11,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:11,048 INFO L225 Difference]: With dead ends: 53 [2025-02-08 09:01:11,048 INFO L226 Difference]: Without dead ends: 52 [2025-02-08 09:01:11,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 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 09:01:11,049 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:11,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:11,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-02-08 09:01:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-02-08 09:01:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 51 states have internal predecessors, (57), 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 09:01:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2025-02-08 09:01:11,060 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 21 [2025-02-08 09:01:11,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:11,060 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2025-02-08 09:01:11,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 5 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 09:01:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2025-02-08 09:01:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:01:11,061 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:11,061 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1] [2025-02-08 09:01:11,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:01:11,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:11,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:11,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1016411479, now seen corresponding path program 2 times [2025-02-08 09:01:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:11,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021178528] [2025-02-08 09:01:11,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:01:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:11,269 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-02-08 09:01:11,278 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:01:11,278 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:01:11,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 09:01:11,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:11,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021178528] [2025-02-08 09:01:11,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021178528] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:11,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113422819] [2025-02-08 09:01:11,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:01:11,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:11,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:11,363 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 09:01:11,364 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 09:01:11,385 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 51 statements into 2 equivalence classes. [2025-02-08 09:01:11,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:01:11,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:01:11,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:11,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:01:11,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 09:01:11,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 09:01:11,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113422819] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:11,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:11,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:01:11,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630932903] [2025-02-08 09:01:11,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:11,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:01:11,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:11,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:01:11,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:01:11,596 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 09:01:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:11,631 INFO L93 Difference]: Finished difference Result 113 states and 129 transitions. [2025-02-08 09:01:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:01:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 51 [2025-02-08 09:01:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:11,632 INFO L225 Difference]: With dead ends: 113 [2025-02-08 09:01:11,632 INFO L226 Difference]: Without dead ends: 112 [2025-02-08 09:01:11,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:01:11,633 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:11,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:11,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-08 09:01:11,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-08 09:01:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.1081081081081081) internal successors, (123), 111 states have internal predecessors, (123), 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 09:01:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2025-02-08 09:01:11,641 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 51 [2025-02-08 09:01:11,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:11,641 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2025-02-08 09:01:11,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 09:01:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2025-02-08 09:01:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 09:01:11,644 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:11,644 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1] [2025-02-08 09:01:11,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:01:11,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:11,845 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:11,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1668539333, now seen corresponding path program 3 times [2025-02-08 09:01:11,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:11,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817631195] [2025-02-08 09:01:11,845 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:01:11,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:11,853 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 15 equivalence classes. [2025-02-08 09:01:11,873 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 09:01:11,873 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:01:11,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 09:01:12,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817631195] [2025-02-08 09:01:12,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817631195] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:12,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793728095] [2025-02-08 09:01:12,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:01:12,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:12,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:12,088 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 09:01:12,089 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 09:01:12,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 111 statements into 15 equivalence classes. [2025-02-08 09:01:12,152 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 09:01:12,152 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:01:12,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:12,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:01:12,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 09:01:12,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-02-08 09:01:12,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793728095] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:12,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:12,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2025-02-08 09:01:12,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741505762] [2025-02-08 09:01:12,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:12,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:01:12,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:12,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:01:12,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:01:12,544 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand has 24 states, 23 states have (on average 9.652173913043478) internal successors, (222), 23 states have internal predecessors, (222), 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 09:01:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:12,608 INFO L93 Difference]: Finished difference Result 233 states and 267 transitions. [2025-02-08 09:01:12,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:01:12,609 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 9.652173913043478) internal successors, (222), 23 states have internal predecessors, (222), 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 111 [2025-02-08 09:01:12,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:12,610 INFO L225 Difference]: With dead ends: 233 [2025-02-08 09:01:12,610 INFO L226 Difference]: Without dead ends: 232 [2025-02-08 09:01:12,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:01:12,611 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:12,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:01:12,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-08 09:01:12,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2025-02-08 09:01:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.103896103896104) internal successors, (255), 231 states have internal predecessors, (255), 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 09:01:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 255 transitions. [2025-02-08 09:01:12,625 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 255 transitions. Word has length 111 [2025-02-08 09:01:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:12,625 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 255 transitions. [2025-02-08 09:01:12,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 9.652173913043478) internal successors, (222), 23 states have internal predecessors, (222), 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 09:01:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 255 transitions. [2025-02-08 09:01:12,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2025-02-08 09:01:12,633 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:12,633 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1] [2025-02-08 09:01:12,643 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 09:01:12,834 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,SelfDestructingSolverStorable10 [2025-02-08 09:01:12,834 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:12,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:12,834 INFO L85 PathProgramCache]: Analyzing trace with hash 512580191, now seen corresponding path program 4 times [2025-02-08 09:01:12,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632210020] [2025-02-08 09:01:12,835 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:01:12,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:12,843 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 231 statements into 2 equivalence classes. [2025-02-08 09:01:12,860 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 231 of 231 statements. [2025-02-08 09:01:12,860 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:01:12,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3059 backedges. 0 proven. 3036 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 09:01:13,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:13,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632210020] [2025-02-08 09:01:13,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632210020] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:13,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823426700] [2025-02-08 09:01:13,517 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:01:13,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:13,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:13,520 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 09:01:13,521 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 09:01:13,545 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 231 statements into 2 equivalence classes. [2025-02-08 09:01:13,605 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 231 of 231 statements. [2025-02-08 09:01:13,605 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:01:13,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:13,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:01:13,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3059 backedges. 0 proven. 3036 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 09:01:13,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3059 backedges. 0 proven. 3036 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 09:01:14,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823426700] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:14,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:14,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2025-02-08 09:01:14,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036349291] [2025-02-08 09:01:14,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:14,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-08 09:01:14,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:14,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-08 09:01:14,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 09:01:14,649 INFO L87 Difference]: Start difference. First operand 232 states and 255 transitions. Second operand has 48 states, 47 states have (on average 9.829787234042554) internal successors, (462), 47 states have internal predecessors, (462), 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 09:01:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:14,825 INFO L93 Difference]: Finished difference Result 473 states and 543 transitions. [2025-02-08 09:01:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-08 09:01:14,826 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 9.829787234042554) internal successors, (462), 47 states have internal predecessors, (462), 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 231 [2025-02-08 09:01:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:14,829 INFO L225 Difference]: With dead ends: 473 [2025-02-08 09:01:14,829 INFO L226 Difference]: Without dead ends: 472 [2025-02-08 09:01:14,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 09:01:14,831 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:14,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 378 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:01:14,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2025-02-08 09:01:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2025-02-08 09:01:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.1019108280254777) internal successors, (519), 471 states have internal predecessors, (519), 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 09:01:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 519 transitions. [2025-02-08 09:01:14,874 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 519 transitions. Word has length 231 [2025-02-08 09:01:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:14,875 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 519 transitions. [2025-02-08 09:01:14,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 9.829787234042554) internal successors, (462), 47 states have internal predecessors, (462), 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 09:01:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 519 transitions. [2025-02-08 09:01:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2025-02-08 09:01:14,884 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:14,884 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1] [2025-02-08 09:01:14,891 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 09:01:15,088 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,SelfDestructingSolverStorable11 [2025-02-08 09:01:15,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:15,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1639431513, now seen corresponding path program 5 times [2025-02-08 09:01:15,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:15,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712927352] [2025-02-08 09:01:15,089 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:01:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:15,106 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 471 statements into 59 equivalence classes. [2025-02-08 09:01:15,232 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 59 check-sat command(s) and asserted 471 of 471 statements. [2025-02-08 09:01:15,232 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 59 check-sat command(s) [2025-02-08 09:01:15,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 13019 backedges. 0 proven. 12972 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-02-08 09:01:17,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:17,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712927352] [2025-02-08 09:01:17,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712927352] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:17,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180968638] [2025-02-08 09:01:17,131 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:01:17,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:17,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:17,132 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 09:01:17,135 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 09:01:17,167 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 471 statements into 59 equivalence classes. [2025-02-08 09:01:17,282 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 59 check-sat command(s) and asserted 471 of 471 statements. [2025-02-08 09:01:17,282 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 59 check-sat command(s) [2025-02-08 09:01:17,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:17,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-08 09:01:17,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13019 backedges. 0 proven. 12972 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-02-08 09:01:17,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 13019 backedges. 0 proven. 12972 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-02-08 09:01:19,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180968638] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:19,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:19,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2025-02-08 09:01:19,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771324085] [2025-02-08 09:01:19,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:19,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-08 09:01:19,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:19,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-08 09:01:19,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 09:01:19,891 INFO L87 Difference]: Start difference. First operand 472 states and 519 transitions. Second operand has 96 states, 95 states have (on average 9.91578947368421) internal successors, (942), 95 states have internal predecessors, (942), 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 09:01:20,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:20,330 INFO L93 Difference]: Finished difference Result 953 states and 1095 transitions. [2025-02-08 09:01:20,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-02-08 09:01:20,331 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 9.91578947368421) internal successors, (942), 95 states have internal predecessors, (942), 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 471 [2025-02-08 09:01:20,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:20,334 INFO L225 Difference]: With dead ends: 953 [2025-02-08 09:01:20,335 INFO L226 Difference]: Without dead ends: 952 [2025-02-08 09:01:20,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 09:01:20,337 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:20,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 762 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:01:20,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2025-02-08 09:01:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2025-02-08 09:01:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 951 states have (on average 1.1009463722397477) internal successors, (1047), 951 states have internal predecessors, (1047), 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 09:01:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1047 transitions. [2025-02-08 09:01:20,374 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1047 transitions. Word has length 471 [2025-02-08 09:01:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:20,374 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1047 transitions. [2025-02-08 09:01:20,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 9.91578947368421) internal successors, (942), 95 states have internal predecessors, (942), 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 09:01:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1047 transitions. [2025-02-08 09:01:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 952 [2025-02-08 09:01:20,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:20,387 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 95, 95, 95, 95, 95, 94, 1, 1] [2025-02-08 09:01:20,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:01:20,587 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,SelfDestructingSolverStorable12 [2025-02-08 09:01:20,588 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:20,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash -728775881, now seen corresponding path program 6 times [2025-02-08 09:01:20,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:20,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169322033] [2025-02-08 09:01:20,589 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:01:20,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:20,609 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 951 statements into 119 equivalence classes. [2025-02-08 09:01:20,743 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 119 check-sat command(s) and asserted 951 of 951 statements. [2025-02-08 09:01:20,744 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 119 check-sat command(s) [2025-02-08 09:01:20,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 53675 backedges. 0 proven. 53580 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:01:27,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:01:27,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169322033] [2025-02-08 09:01:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169322033] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:01:27,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019740593] [2025-02-08 09:01:27,187 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:01:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:01:27,188 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 09:01:27,189 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 09:01:27,246 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 951 statements into 119 equivalence classes. [2025-02-08 09:01:27,522 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 119 check-sat command(s) and asserted 951 of 951 statements. [2025-02-08 09:01:27,522 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 119 check-sat command(s) [2025-02-08 09:01:27,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:01:27,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 1906 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-02-08 09:01:27,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:01:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 53675 backedges. 0 proven. 53580 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:01:28,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:01:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 53675 backedges. 0 proven. 53580 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:01:35,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019740593] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:01:35,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:01:35,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2025-02-08 09:01:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103379357] [2025-02-08 09:01:35,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:01:35,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-02-08 09:01:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:01:35,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-02-08 09:01:35,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-02-08 09:01:35,881 INFO L87 Difference]: Start difference. First operand 952 states and 1047 transitions. Second operand has 192 states, 191 states have (on average 9.958115183246074) internal successors, (1902), 191 states have internal predecessors, (1902), 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 09:01:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:01:37,242 INFO L93 Difference]: Finished difference Result 1913 states and 2199 transitions. [2025-02-08 09:01:37,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-02-08 09:01:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 9.958115183246074) internal successors, (1902), 191 states have internal predecessors, (1902), 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 951 [2025-02-08 09:01:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:01:37,250 INFO L225 Difference]: With dead ends: 1913 [2025-02-08 09:01:37,251 INFO L226 Difference]: Without dead ends: 1912 [2025-02-08 09:01:37,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1995 GetRequests, 1805 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-02-08 09:01:37,254 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:01:37,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1530 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:01:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2025-02-08 09:01:37,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2025-02-08 09:01:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1911 states have (on average 1.1004709576138147) internal successors, (2103), 1911 states have internal predecessors, (2103), 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 09:01:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2103 transitions. [2025-02-08 09:01:37,315 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2103 transitions. Word has length 951 [2025-02-08 09:01:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:01:37,316 INFO L471 AbstractCegarLoop]: Abstraction has 1912 states and 2103 transitions. [2025-02-08 09:01:37,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 9.958115183246074) internal successors, (1902), 191 states have internal predecessors, (1902), 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 09:01:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2103 transitions. [2025-02-08 09:01:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1912 [2025-02-08 09:01:37,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:01:37,345 INFO L218 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 191, 191, 191, 191, 191, 190, 1, 1] [2025-02-08 09:01:37,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:01:37,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:01:37,546 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-02-08 09:01:37,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:01:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2078639191, now seen corresponding path program 7 times [2025-02-08 09:01:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:01:37,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019029225] [2025-02-08 09:01:37,547 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:01:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:01:37,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1911 statements into 1 equivalence classes. [2025-02-08 09:01:37,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1911 of 1911 statements. [2025-02-08 09:01:37,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:01:37,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:02:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 217931 backedges. 0 proven. 217740 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 09:02:10,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:02:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019029225] [2025-02-08 09:02:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019029225] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:02:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379951211] [2025-02-08 09:02:10,069 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:02:10,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:02:10,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:02:10,071 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 09:02:10,072 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 09:02:10,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1911 statements into 1 equivalence classes. [2025-02-08 09:02:10,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1911 of 1911 statements. [2025-02-08 09:02:10,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:02:10,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:02:10,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 3826 conjuncts, 192 conjuncts are in the unsatisfiable core [2025-02-08 09:02:10,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:02:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 217931 backedges. 0 proven. 217740 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 09:02:11,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:02:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 217931 backedges. 0 proven. 217740 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-02-08 09:02:40,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379951211] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:02:40,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:02:40,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 382 [2025-02-08 09:02:40,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450077034] [2025-02-08 09:02:40,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:02:40,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2025-02-08 09:02:40,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:02:40,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2025-02-08 09:02:40,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73536, Invalid=73536, Unknown=0, NotChecked=0, Total=147072 [2025-02-08 09:02:40,527 INFO L87 Difference]: Start difference. First operand 1912 states and 2103 transitions. Second operand has 384 states, 383 states have (on average 9.97911227154047) internal successors, (3822), 383 states have internal predecessors, (3822), 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)