./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.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 f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:56:48,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:56:48,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:56:48,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:56:48,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:56:48,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:56:48,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:56:48,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:56:48,564 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:56:48,564 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:56:48,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:56:48,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:56:48,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:56:48,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:56:48,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:56:48,565 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:56:48,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:56:48,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:56:48,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:56:48,566 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 -> f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f [2025-02-08 08:56:48,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:56:48,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:56:48,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:56:48,820 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:56:48,820 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:56:48,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-08 08:56:49,978 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bafb8c535/20011d0626344233a7f1ecc07fd48d2a/FLAGe0e324dc6 [2025-02-08 08:56:50,248 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:56:50,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-08 08:56:50,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bafb8c535/20011d0626344233a7f1ecc07fd48d2a/FLAGe0e324dc6 [2025-02-08 08:56:50,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bafb8c535/20011d0626344233a7f1ecc07fd48d2a [2025-02-08 08:56:50,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:56:50,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:56:50,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:56:50,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:56:50,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:56:50,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506ecd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50, skipping insertion in model container [2025-02-08 08:56:50,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:56:50,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:56:50,656 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:56:50,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:56:50,674 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:56:50,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50 WrapperNode [2025-02-08 08:56:50,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:56:50,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:56:50,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:56:50,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:56:50,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,690 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2025-02-08 08:56:50,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:56:50,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:56:50,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:56:50,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:56:50,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,701 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 08:56:50,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:56:50,704 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:56:50,704 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:56:50,704 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:56:50,705 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (1/1) ... [2025-02-08 08:56:50,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:56:50,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:50,729 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 08:56:50,731 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 08:56:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:56:50,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:56:50,800 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:56:50,801 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:56:50,895 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-08 08:56:50,895 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:56:50,906 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:56:50,906 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:56:50,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:56:50 BoogieIcfgContainer [2025-02-08 08:56:50,908 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:56:50,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:56:50,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:56:50,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:56:50,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:56:50" (1/3) ... [2025-02-08 08:56:50,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64d3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:56:50, skipping insertion in model container [2025-02-08 08:56:50,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:56:50" (2/3) ... [2025-02-08 08:56:50,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f64d3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:56:50, skipping insertion in model container [2025-02-08 08:56:50,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:56:50" (3/3) ... [2025-02-08 08:56:50,916 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-08 08:56:50,926 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:56:50,928 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c that has 1 procedures, 19 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-08 08:56:50,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:56:50,989 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;@1e895b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:56:50,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:56:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.75) internal successors, (21), 18 states have internal predecessors, (21), 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 08:56:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:56:50,998 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:50,998 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:56:50,999 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,003 INFO L85 PathProgramCache]: Analyzing trace with hash 46697199, now seen corresponding path program 1 times [2025-02-08 08:56:51,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341197209] [2025-02-08 08:56:51,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:56:51,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:56:51,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,120 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 08:56:51,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341197209] [2025-02-08 08:56:51,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341197209] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:56:51,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:56:51,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:56:51,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282913057] [2025-02-08 08:56:51,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:56:51,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:56:51,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:56:51,137 INFO L87 Difference]: Start difference. First operand has 19 states, 12 states have (on average 1.75) internal successors, (21), 18 states have internal predecessors, (21), 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 2.5) 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 08:56:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:51,167 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2025-02-08 08:56:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:56:51,168 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 08:56:51,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:51,172 INFO L225 Difference]: With dead ends: 32 [2025-02-08 08:56:51,172 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 08:56:51,174 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 08:56:51,175 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:51,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 08:56:51,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2025-02-08 08:56:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:56:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2025-02-08 08:56:51,195 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 5 [2025-02-08 08:56:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:51,195 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2025-02-08 08:56:51,195 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 08:56:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2025-02-08 08:56:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 08:56:51,195 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:51,196 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 08:56:51,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:56:51,196 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1447613144, now seen corresponding path program 1 times [2025-02-08 08:56:51,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744043552] [2025-02-08 08:56:51,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 08:56:51,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 08:56:51,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,223 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 08:56:51,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744043552] [2025-02-08 08:56:51,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744043552] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:56:51,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:56:51,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:56:51,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985462582] [2025-02-08 08:56:51,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:56:51,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:56:51,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:56:51,226 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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 08:56:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:51,254 INFO L93 Difference]: Finished difference Result 40 states and 50 transitions. [2025-02-08 08:56:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:56:51,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 08:56:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:51,255 INFO L225 Difference]: With dead ends: 40 [2025-02-08 08:56:51,255 INFO L226 Difference]: Without dead ends: 38 [2025-02-08 08:56:51,255 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 08:56:51,256 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 22 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 08:56:51,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 22 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:51,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-02-08 08:56:51,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2025-02-08 08:56:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 35 states have internal predecessors, (47), 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 08:56:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2025-02-08 08:56:51,262 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 6 [2025-02-08 08:56:51,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:51,262 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2025-02-08 08:56:51,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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 08:56:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2025-02-08 08:56:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:56:51,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:51,262 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:56:51,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:56:51,262 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1926334477, now seen corresponding path program 1 times [2025-02-08 08:56:51,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663632784] [2025-02-08 08:56:51,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:56:51,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:56:51,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,307 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 08:56:51,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663632784] [2025-02-08 08:56:51,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663632784] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:56:51,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:56:51,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:56:51,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249043997] [2025-02-08 08:56:51,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:56:51,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:56:51,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:56:51,311 INFO L87 Difference]: Start difference. First operand 36 states and 47 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 08:56:51,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:51,323 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2025-02-08 08:56:51,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:56:51,327 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 08:56:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:51,327 INFO L225 Difference]: With dead ends: 36 [2025-02-08 08:56:51,327 INFO L226 Difference]: Without dead ends: 35 [2025-02-08 08:56:51,327 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 08:56:51,328 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:51,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:51,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-02-08 08:56:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-02-08 08:56:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 34 states have internal predecessors, (44), 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 08:56:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2025-02-08 08:56:51,335 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 7 [2025-02-08 08:56:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:51,335 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2025-02-08 08:56:51,335 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 08:56:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2025-02-08 08:56:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:56:51,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:51,337 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:56:51,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:56:51,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,338 INFO L85 PathProgramCache]: Analyzing trace with hash -413173386, now seen corresponding path program 1 times [2025-02-08 08:56:51,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147275135] [2025-02-08 08:56:51,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:56:51,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:56:51,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,380 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 08:56:51,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147275135] [2025-02-08 08:56:51,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147275135] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:56:51,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:56:51,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:56:51,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194760784] [2025-02-08 08:56:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:56:51,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:56:51,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:56:51,381 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 08:56:51,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:51,403 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2025-02-08 08:56:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:56:51,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 08:56:51,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:51,405 INFO L225 Difference]: With dead ends: 41 [2025-02-08 08:56:51,405 INFO L226 Difference]: Without dead ends: 40 [2025-02-08 08:56:51,405 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 08:56:51,406 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:51,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 23 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2025-02-08 08:56:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2025-02-08 08:56:51,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.4) internal successors, (49), 39 states have internal predecessors, (49), 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 08:56:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2025-02-08 08:56:51,414 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 8 [2025-02-08 08:56:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:51,414 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2025-02-08 08:56:51,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 08:56:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2025-02-08 08:56:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 08:56:51,415 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:51,415 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:56:51,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:56:51,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,417 INFO L85 PathProgramCache]: Analyzing trace with hash 937726868, now seen corresponding path program 1 times [2025-02-08 08:56:51,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548160149] [2025-02-08 08:56:51,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:56:51,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:56:51,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548160149] [2025-02-08 08:56:51,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548160149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:51,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937395512] [2025-02-08 08:56:51,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:51,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:51,468 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 08:56:51,470 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 08:56:51,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 08:56:51,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 08:56:51,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:56:51,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,548 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937395512] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:51,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:51,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 08:56:51,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384081414] [2025-02-08 08:56:51,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:56:51,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:56:51,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:56:51,592 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 08:56:51,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:51,631 INFO L93 Difference]: Finished difference Result 80 states and 109 transitions. [2025-02-08 08:56:51,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:56:51,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 08:56:51,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:51,633 INFO L225 Difference]: With dead ends: 80 [2025-02-08 08:56:51,633 INFO L226 Difference]: Without dead ends: 78 [2025-02-08 08:56:51,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 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 08:56:51,634 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:51,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:51,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-08 08:56:51,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 50. [2025-02-08 08:56:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 49 states have internal predecessors, (62), 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 08:56:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2025-02-08 08:56:51,641 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 11 [2025-02-08 08:56:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:51,641 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2025-02-08 08:56:51,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 08:56:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2025-02-08 08:56:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 08:56:51,642 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:51,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:56:51,650 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 08:56:51,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:51,843 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:51,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash -814568658, now seen corresponding path program 1 times [2025-02-08 08:56:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:51,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885610265] [2025-02-08 08:56:51,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:51,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 08:56:51,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 08:56:51,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:51,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885610265] [2025-02-08 08:56:51,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885610265] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:51,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983736900] [2025-02-08 08:56:51,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:51,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:51,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:51,882 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 08:56:51,883 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 08:56:51,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 08:56:51,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 08:56:51,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:51,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:51,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:56:51,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:51,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983736900] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:51,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:51,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 08:56:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056956158] [2025-02-08 08:56:51,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:51,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:56:51,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:51,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:56:51,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:56:51,973 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:56:52,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:52,034 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2025-02-08 08:56:52,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:56:52,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-08 08:56:52,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:52,036 INFO L225 Difference]: With dead ends: 124 [2025-02-08 08:56:52,036 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 08:56:52,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 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 08:56:52,036 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 18 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:52,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 38 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 08:56:52,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 99. [2025-02-08 08:56:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 98 states have internal predecessors, (127), 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 08:56:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2025-02-08 08:56:52,044 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 12 [2025-02-08 08:56:52,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:52,044 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2025-02-08 08:56:52,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:56:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2025-02-08 08:56:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:56:52,044 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:52,045 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:56:52,050 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 08:56:52,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:52,249 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:52,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1116433332, now seen corresponding path program 1 times [2025-02-08 08:56:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:52,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605784359] [2025-02-08 08:56:52,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:52,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:56:52,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:56:52,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:52,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:52,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605784359] [2025-02-08 08:56:52,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605784359] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:52,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549541662] [2025-02-08 08:56:52,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:52,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:52,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:52,300 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 08:56:52,302 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 08:56:52,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:56:52,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:56:52,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:52,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:52,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 08:56:52,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549541662] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:52,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:52,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 08:56:52,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843076462] [2025-02-08 08:56:52,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:52,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:56:52,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:52,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:56:52,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:56:52,372 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 08:56:52,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:52,398 INFO L93 Difference]: Finished difference Result 212 states and 272 transitions. [2025-02-08 08:56:52,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:56:52,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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) Word has length 14 [2025-02-08 08:56:52,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:52,399 INFO L225 Difference]: With dead ends: 212 [2025-02-08 08:56:52,399 INFO L226 Difference]: Without dead ends: 211 [2025-02-08 08:56:52,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 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 08:56:52,399 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:52,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 43 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-02-08 08:56:52,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2025-02-08 08:56:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 205 states have (on average 1.2292682926829268) internal successors, (252), 208 states have internal predecessors, (252), 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 08:56:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 252 transitions. [2025-02-08 08:56:52,425 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 252 transitions. Word has length 14 [2025-02-08 08:56:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:52,425 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 252 transitions. [2025-02-08 08:56:52,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 08:56:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2025-02-08 08:56:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 08:56:52,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:52,425 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1] [2025-02-08 08:56:52,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 08:56:52,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:52,626 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:52,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:52,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1916718361, now seen corresponding path program 1 times [2025-02-08 08:56:52,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:52,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185190698] [2025-02-08 08:56:52,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:52,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:52,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:56:52,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:56:52,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:52,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:52,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185190698] [2025-02-08 08:56:52,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185190698] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:52,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171206909] [2025-02-08 08:56:52,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:56:52,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:52,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:52,689 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 08:56:52,690 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 08:56:52,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:56:52,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:56:52,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:56:52,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:52,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:56:52,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:52,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171206909] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:52,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:52,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-08 08:56:52,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018548227] [2025-02-08 08:56:52,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:52,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 08:56:52,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:52,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 08:56:52,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:56:52,798 INFO L87 Difference]: Start difference. First operand 209 states and 252 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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 08:56:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:52,851 INFO L93 Difference]: Finished difference Result 410 states and 524 transitions. [2025-02-08 08:56:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:56:52,851 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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 17 [2025-02-08 08:56:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:52,853 INFO L225 Difference]: With dead ends: 410 [2025-02-08 08:56:52,853 INFO L226 Difference]: Without dead ends: 409 [2025-02-08 08:56:52,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:56:52,854 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 42 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:52,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 45 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-08 08:56:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 341. [2025-02-08 08:56:52,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 337 states have (on average 1.2640949554896141) internal successors, (426), 340 states have internal predecessors, (426), 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 08:56:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 426 transitions. [2025-02-08 08:56:52,872 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 426 transitions. Word has length 17 [2025-02-08 08:56:52,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:52,872 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 426 transitions. [2025-02-08 08:56:52,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 8 states have internal predecessors, (33), 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 08:56:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2025-02-08 08:56:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 08:56:52,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:52,873 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1] [2025-02-08 08:56:52,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 08:56:53,074 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,SelfDestructingSolverStorable7 [2025-02-08 08:56:53,074 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:53,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:53,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2029855024, now seen corresponding path program 2 times [2025-02-08 08:56:53,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:53,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74445883] [2025-02-08 08:56:53,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:53,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:53,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-08 08:56:53,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 08:56:53,087 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:53,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:53,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74445883] [2025-02-08 08:56:53,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74445883] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:53,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442292018] [2025-02-08 08:56:53,180 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:53,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:53,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:53,183 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 08:56:53,184 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 08:56:53,204 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-08 08:56:53,212 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 08:56:53,212 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:53,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:53,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 08:56:53,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442292018] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:53,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:53,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-08 08:56:53,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595062780] [2025-02-08 08:56:53,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:53,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:56:53,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:53,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:56:53,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:56:53,339 INFO L87 Difference]: Start difference. First operand 341 states and 426 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:56:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:53,426 INFO L93 Difference]: Finished difference Result 886 states and 1203 transitions. [2025-02-08 08:56:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 08:56:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2025-02-08 08:56:53,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:53,429 INFO L225 Difference]: With dead ends: 886 [2025-02-08 08:56:53,429 INFO L226 Difference]: Without dead ends: 884 [2025-02-08 08:56:53,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 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 08:56:53,430 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 59 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:53,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 77 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:53,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2025-02-08 08:56:53,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 581. [2025-02-08 08:56:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 577 states have (on average 1.2807625649913346) internal successors, (739), 580 states have internal predecessors, (739), 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 08:56:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 739 transitions. [2025-02-08 08:56:53,453 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 739 transitions. Word has length 30 [2025-02-08 08:56:53,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:53,453 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 739 transitions. [2025-02-08 08:56:53,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:56:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 739 transitions. [2025-02-08 08:56:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 08:56:53,455 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:53,455 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1] [2025-02-08 08:56:53,463 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 08:56:53,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:53,659 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:53,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash 775524814, now seen corresponding path program 2 times [2025-02-08 08:56:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:53,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107252299] [2025-02-08 08:56:53,659 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:53,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:53,663 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-02-08 08:56:53,666 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:56:53,666 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:53,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:53,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107252299] [2025-02-08 08:56:53,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107252299] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:53,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530189143] [2025-02-08 08:56:53,714 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:53,716 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 08:56:53,717 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 08:56:53,734 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-02-08 08:56:53,742 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:56:53,742 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:53,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:53,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 08:56:53,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:53,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530189143] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:53,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:53,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-08 08:56:53,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909369943] [2025-02-08 08:56:53,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:53,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 08:56:53,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:53,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 08:56:53,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 08:56:53,850 INFO L87 Difference]: Start difference. First operand 581 states and 739 transitions. Second operand has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 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 08:56:53,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:53,954 INFO L93 Difference]: Finished difference Result 1687 states and 2177 transitions. [2025-02-08 08:56:53,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 08:56:53,954 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 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 32 [2025-02-08 08:56:53,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:53,959 INFO L225 Difference]: With dead ends: 1687 [2025-02-08 08:56:53,959 INFO L226 Difference]: Without dead ends: 1686 [2025-02-08 08:56:53,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 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 08:56:53,960 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:53,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 87 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:56:53,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2025-02-08 08:56:54,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1682. [2025-02-08 08:56:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1678 states have (on average 1.1889153754469606) internal successors, (1995), 1681 states have internal predecessors, (1995), 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 08:56:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 1995 transitions. [2025-02-08 08:56:54,035 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 1995 transitions. Word has length 32 [2025-02-08 08:56:54,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:54,035 INFO L471 AbstractCegarLoop]: Abstraction has 1682 states and 1995 transitions. [2025-02-08 08:56:54,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 12 states have internal predecessors, (63), 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 08:56:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1995 transitions. [2025-02-08 08:56:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 08:56:54,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:54,040 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1] [2025-02-08 08:56:54,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 08:56:54,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 08:56:54,241 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:54,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:54,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1425419475, now seen corresponding path program 2 times [2025-02-08 08:56:54,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:54,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080863853] [2025-02-08 08:56:54,242 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:54,248 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-02-08 08:56:54,252 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 08:56:54,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:54,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:54,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:54,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080863853] [2025-02-08 08:56:54,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080863853] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:54,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57338441] [2025-02-08 08:56:54,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:56:54,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:54,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:54,343 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 08:56:54,344 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 08:56:54,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-02-08 08:56:54,372 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 08:56:54,372 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:56:54,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:54,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 08:56:54,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:54,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:54,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57338441] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:54,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-02-08 08:56:54,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436880448] [2025-02-08 08:56:54,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:54,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 08:56:54,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:54,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 08:56:54,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:56:54,543 INFO L87 Difference]: Start difference. First operand 1682 states and 1995 transitions. Second operand has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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 08:56:54,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:54,723 INFO L93 Difference]: Finished difference Result 3500 states and 4318 transitions. [2025-02-08 08:56:54,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 08:56:54,724 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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 41 [2025-02-08 08:56:54,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:54,735 INFO L225 Difference]: With dead ends: 3500 [2025-02-08 08:56:54,735 INFO L226 Difference]: Without dead ends: 3499 [2025-02-08 08:56:54,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:56:54,738 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 96 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:54,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 93 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3499 states. [2025-02-08 08:56:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3499 to 2129. [2025-02-08 08:56:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 2125 states have (on average 1.207529411764706) internal successors, (2566), 2128 states have internal predecessors, (2566), 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 08:56:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2566 transitions. [2025-02-08 08:56:54,842 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2566 transitions. Word has length 41 [2025-02-08 08:56:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:54,842 INFO L471 AbstractCegarLoop]: Abstraction has 2129 states and 2566 transitions. [2025-02-08 08:56:54,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.4) internal successors, (81), 16 states have internal predecessors, (81), 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 08:56:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2566 transitions. [2025-02-08 08:56:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-08 08:56:54,848 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:54,848 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1] [2025-02-08 08:56:54,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 08:56:55,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:55,049 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:55,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:55,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1740765108, now seen corresponding path program 3 times [2025-02-08 08:56:55,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022614336] [2025-02-08 08:56:55,050 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:55,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:55,055 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-02-08 08:56:55,065 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 08:56:55,065 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:56:55,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:55,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:55,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022614336] [2025-02-08 08:56:55,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022614336] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:55,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198202199] [2025-02-08 08:56:55,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:55,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:55,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:55,231 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 08:56:55,232 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 08:56:55,250 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-02-08 08:56:55,268 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 08:56:55,268 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:56:55,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:55,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 08:56:55,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:55,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:55,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198202199] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:55,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:55,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-08 08:56:55,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443712082] [2025-02-08 08:56:55,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:55,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 08:56:55,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:55,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 08:56:55,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 08:56:55,569 INFO L87 Difference]: Start difference. First operand 2129 states and 2566 transitions. Second operand has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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 08:56:55,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:55,823 INFO L93 Difference]: Finished difference Result 5682 states and 7447 transitions. [2025-02-08 08:56:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 08:56:55,823 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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 66 [2025-02-08 08:56:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:55,838 INFO L225 Difference]: With dead ends: 5682 [2025-02-08 08:56:55,838 INFO L226 Difference]: Without dead ends: 5680 [2025-02-08 08:56:55,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 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 08:56:55,841 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 147 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:55,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 156 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:55,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5680 states. [2025-02-08 08:56:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5680 to 3159. [2025-02-08 08:56:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 3155 states have (on average 1.2294770206022188) internal successors, (3879), 3158 states have internal predecessors, (3879), 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 08:56:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 3879 transitions. [2025-02-08 08:56:55,943 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 3879 transitions. Word has length 66 [2025-02-08 08:56:55,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:55,943 INFO L471 AbstractCegarLoop]: Abstraction has 3159 states and 3879 transitions. [2025-02-08 08:56:55,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 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 08:56:55,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3879 transitions. [2025-02-08 08:56:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 08:56:55,946 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:55,946 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 1, 1, 1] [2025-02-08 08:56:55,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 08:56:56,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:56,150 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:56,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:56,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2132989778, now seen corresponding path program 3 times [2025-02-08 08:56:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184282068] [2025-02-08 08:56:56,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:56,158 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 68 statements into 11 equivalence classes. [2025-02-08 08:56:56,168 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 08:56:56,168 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:56:56,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:56,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184282068] [2025-02-08 08:56:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184282068] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710057110] [2025-02-08 08:56:56,301 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:56,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:56,304 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:56:56,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 08:56:56,324 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 68 statements into 11 equivalence classes. [2025-02-08 08:56:56,339 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 08:56:56,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 08:56:56,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:56,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 08:56:56,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:56,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:56,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710057110] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:56,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:56,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-08 08:56:56,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595304413] [2025-02-08 08:56:56,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:56,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 08:56:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:56,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 08:56:56,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 08:56:56,620 INFO L87 Difference]: Start difference. First operand 3159 states and 3879 transitions. Second operand has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 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 08:56:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:56,922 INFO L93 Difference]: Finished difference Result 12415 states and 15746 transitions. [2025-02-08 08:56:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 08:56:56,923 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 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 68 [2025-02-08 08:56:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:56,951 INFO L225 Difference]: With dead ends: 12415 [2025-02-08 08:56:56,951 INFO L226 Difference]: Without dead ends: 12414 [2025-02-08 08:56:56,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 124 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 08:56:56,958 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 202 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:56,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 158 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:56,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12414 states. [2025-02-08 08:56:57,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12414 to 12406. [2025-02-08 08:56:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12406 states, 12402 states have (on average 1.1599741977100468) internal successors, (14386), 12405 states have internal predecessors, (14386), 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 08:56:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12406 states to 12406 states and 14386 transitions. [2025-02-08 08:56:57,377 INFO L78 Accepts]: Start accepts. Automaton has 12406 states and 14386 transitions. Word has length 68 [2025-02-08 08:56:57,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:57,377 INFO L471 AbstractCegarLoop]: Abstraction has 12406 states and 14386 transitions. [2025-02-08 08:56:57,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.869565217391305) internal successors, (135), 24 states have internal predecessors, (135), 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 08:56:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 12406 states and 14386 transitions. [2025-02-08 08:56:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 08:56:57,383 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:57,383 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1] [2025-02-08 08:56:57,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 08:56:57,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:57,587 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:57,588 INFO L85 PathProgramCache]: Analyzing trace with hash -275780779, now seen corresponding path program 3 times [2025-02-08 08:56:57,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:57,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296849237] [2025-02-08 08:56:57,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:57,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:57,592 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 89 statements into 15 equivalence classes. [2025-02-08 08:56:57,607 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 08:56:57,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:56:57,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:57,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:56:57,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296849237] [2025-02-08 08:56:57,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296849237] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:56:57,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064796562] [2025-02-08 08:56:57,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:56:57,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:56:57,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:56:57,860 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:56:57,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 08:56:57,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 89 statements into 15 equivalence classes. [2025-02-08 08:56:57,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 08:56:57,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:56:57,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:56:57,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 08:56:57,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:56:57,985 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:57,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:56:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:56:58,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064796562] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:56:58,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:56:58,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2025-02-08 08:56:58,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402520181] [2025-02-08 08:56:58,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:56:58,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 08:56:58,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:56:58,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 08:56:58,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 08:56:58,315 INFO L87 Difference]: Start difference. First operand 12406 states and 14386 transitions. Second operand has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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 08:56:58,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:56:58,940 INFO L93 Difference]: Finished difference Result 29252 states and 34995 transitions. [2025-02-08 08:56:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 08:56:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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 89 [2025-02-08 08:56:58,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:56:58,995 INFO L225 Difference]: With dead ends: 29252 [2025-02-08 08:56:58,995 INFO L226 Difference]: Without dead ends: 29251 [2025-02-08 08:56:59,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 08:56:59,008 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 288 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:56:59,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 189 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:56:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29251 states. [2025-02-08 08:56:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29251 to 14277. [2025-02-08 08:56:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14277 states, 14273 states have (on average 1.1710922721221888) internal successors, (16715), 14276 states have internal predecessors, (16715), 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 08:56:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14277 states to 14277 states and 16715 transitions. [2025-02-08 08:56:59,742 INFO L78 Accepts]: Start accepts. Automaton has 14277 states and 16715 transitions. Word has length 89 [2025-02-08 08:56:59,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:56:59,742 INFO L471 AbstractCegarLoop]: Abstraction has 14277 states and 16715 transitions. [2025-02-08 08:56:59,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.709677419354839) internal successors, (177), 32 states have internal predecessors, (177), 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 08:56:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 14277 states and 16715 transitions. [2025-02-08 08:56:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 08:56:59,757 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:56:59,757 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1] [2025-02-08 08:56:59,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 08:56:59,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 08:56:59,958 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:56:59,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:56:59,958 INFO L85 PathProgramCache]: Analyzing trace with hash 299814588, now seen corresponding path program 4 times [2025-02-08 08:56:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:56:59,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506720345] [2025-02-08 08:56:59,959 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:56:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:56:59,963 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-02-08 08:56:59,974 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 08:56:59,974 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:56:59,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:00,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:00,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506720345] [2025-02-08 08:57:00,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506720345] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:00,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249848776] [2025-02-08 08:57:00,467 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:57:00,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:00,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:00,469 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:57:00,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 08:57:00,494 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-02-08 08:57:00,515 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 08:57:00,516 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:57:00,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:00,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 08:57:00,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:00,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:01,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249848776] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:01,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:01,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-08 08:57:01,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996081657] [2025-02-08 08:57:01,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:01,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-08 08:57:01,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:01,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-08 08:57:01,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 08:57:01,260 INFO L87 Difference]: Start difference. First operand 14277 states and 16715 transitions. Second operand has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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 08:57:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:02,130 INFO L93 Difference]: Finished difference Result 40492 states and 51102 transitions. [2025-02-08 08:57:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-08 08:57:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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 138 [2025-02-08 08:57:02,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:02,187 INFO L225 Difference]: With dead ends: 40492 [2025-02-08 08:57:02,187 INFO L226 Difference]: Without dead ends: 40490 [2025-02-08 08:57:02,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 252 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 08:57:02,198 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 295 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:02,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 319 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:57:02,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40490 states. [2025-02-08 08:57:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40490 to 18733. [2025-02-08 08:57:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18733 states, 18729 states have (on average 1.1907736665064872) internal successors, (22302), 18732 states have internal predecessors, (22302), 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 08:57:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18733 states to 18733 states and 22302 transitions. [2025-02-08 08:57:03,065 INFO L78 Accepts]: Start accepts. Automaton has 18733 states and 22302 transitions. Word has length 138 [2025-02-08 08:57:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:03,065 INFO L471 AbstractCegarLoop]: Abstraction has 18733 states and 22302 transitions. [2025-02-08 08:57:03,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.851063829787234) internal successors, (275), 48 states have internal predecessors, (275), 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 08:57:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 18733 states and 22302 transitions. [2025-02-08 08:57:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-08 08:57:03,082 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:03,082 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 1, 1, 1] [2025-02-08 08:57:03,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 08:57:03,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 08:57:03,282 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:57:03,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:03,283 INFO L85 PathProgramCache]: Analyzing trace with hash 359009370, now seen corresponding path program 4 times [2025-02-08 08:57:03,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:03,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053806418] [2025-02-08 08:57:03,283 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:57:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:03,287 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 140 statements into 2 equivalence classes. [2025-02-08 08:57:03,297 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 140 of 140 statements. [2025-02-08 08:57:03,298 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:57:03,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:03,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053806418] [2025-02-08 08:57:03,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053806418] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:03,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447282131] [2025-02-08 08:57:03,668 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:57:03,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:03,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:03,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:57:03,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 08:57:03,692 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 140 statements into 2 equivalence classes. [2025-02-08 08:57:03,715 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 140 of 140 statements. [2025-02-08 08:57:03,715 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:57:03,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:03,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 08:57:03,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:03,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:04,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447282131] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:04,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:04,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-08 08:57:04,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190491175] [2025-02-08 08:57:04,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:04,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-08 08:57:04,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:04,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-08 08:57:04,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 08:57:04,368 INFO L87 Difference]: Start difference. First operand 18733 states and 22302 transitions. Second operand has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 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 08:57:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:07,442 INFO L93 Difference]: Finished difference Result 95253 states and 119315 transitions. [2025-02-08 08:57:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-08 08:57:07,443 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 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 140 [2025-02-08 08:57:07,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:07,544 INFO L225 Difference]: With dead ends: 95253 [2025-02-08 08:57:07,544 INFO L226 Difference]: Without dead ends: 95252 [2025-02-08 08:57:07,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-08 08:57:07,560 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 574 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:07,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 315 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:57:07,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95252 states. [2025-02-08 08:57:11,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95252 to 95236. [2025-02-08 08:57:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95236 states, 95232 states have (on average 1.1432291666666667) internal successors, (108872), 95235 states have internal predecessors, (108872), 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 08:57:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95236 states to 95236 states and 108872 transitions. [2025-02-08 08:57:11,295 INFO L78 Accepts]: Start accepts. Automaton has 95236 states and 108872 transitions. Word has length 140 [2025-02-08 08:57:11,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:11,296 INFO L471 AbstractCegarLoop]: Abstraction has 95236 states and 108872 transitions. [2025-02-08 08:57:11,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.9361702127659575) internal successors, (279), 48 states have internal predecessors, (279), 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 08:57:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 95236 states and 108872 transitions. [2025-02-08 08:57:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-02-08 08:57:11,335 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:11,335 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 1, 1, 1] [2025-02-08 08:57:11,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 08:57:11,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:11,536 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:57:11,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:11,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1039381595, now seen corresponding path program 4 times [2025-02-08 08:57:11,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:11,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156251902] [2025-02-08 08:57:11,537 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:57:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:11,544 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 185 statements into 2 equivalence classes. [2025-02-08 08:57:11,558 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-02-08 08:57:11,558 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:57:11,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:12,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:12,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156251902] [2025-02-08 08:57:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156251902] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:12,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753987840] [2025-02-08 08:57:12,260 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:57:12,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:12,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:12,262 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:57:12,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 08:57:12,287 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 185 statements into 2 equivalence classes. [2025-02-08 08:57:12,320 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 185 of 185 statements. [2025-02-08 08:57:12,321 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:57:12,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:12,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 08:57:12,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:12,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:13,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753987840] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:13,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:13,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2025-02-08 08:57:13,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390909588] [2025-02-08 08:57:13,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:13,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-02-08 08:57:13,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:13,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-02-08 08:57:13,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 08:57:13,618 INFO L87 Difference]: Start difference. First operand 95236 states and 108872 transitions. Second operand has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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 08:57:20,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:20,621 INFO L93 Difference]: Finished difference Result 292122 states and 341171 transitions. [2025-02-08 08:57:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-02-08 08:57:20,622 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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 185 [2025-02-08 08:57:20,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:20,969 INFO L225 Difference]: With dead ends: 292122 [2025-02-08 08:57:20,969 INFO L226 Difference]: Without dead ends: 292121 [2025-02-08 08:57:21,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 08:57:21,025 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 666 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:21,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 381 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 08:57:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292121 states. [2025-02-08 08:57:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292121 to 103475. [2025-02-08 08:57:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103475 states, 103471 states have (on average 1.1494525036000425) internal successors, (118935), 103474 states have internal predecessors, (118935), 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 08:57:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103475 states to 103475 states and 118935 transitions. [2025-02-08 08:57:28,581 INFO L78 Accepts]: Start accepts. Automaton has 103475 states and 118935 transitions. Word has length 185 [2025-02-08 08:57:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:28,582 INFO L471 AbstractCegarLoop]: Abstraction has 103475 states and 118935 transitions. [2025-02-08 08:57:28,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.857142857142857) internal successors, (369), 64 states have internal predecessors, (369), 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 08:57:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 103475 states and 118935 transitions. [2025-02-08 08:57:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2025-02-08 08:57:28,655 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:28,655 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1] [2025-02-08 08:57:28,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 08:57:28,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 08:57:28,855 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:57:28,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:28,856 INFO L85 PathProgramCache]: Analyzing trace with hash 314647756, now seen corresponding path program 5 times [2025-02-08 08:57:28,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:28,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739582149] [2025-02-08 08:57:28,856 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:57:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:28,864 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-02-08 08:57:28,920 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-02-08 08:57:28,920 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:57:28,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:30,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739582149] [2025-02-08 08:57:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739582149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:30,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578524119] [2025-02-08 08:57:30,163 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:57:30,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:30,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:30,165 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:57:30,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 08:57:30,192 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-02-08 08:57:30,267 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-02-08 08:57:30,267 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:57:30,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:30,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-08 08:57:30,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:30,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:32,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578524119] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:32,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:32,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-02-08 08:57:32,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417047940] [2025-02-08 08:57:32,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:32,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-08 08:57:32,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:32,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-08 08:57:32,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:57:32,326 INFO L87 Difference]: Start difference. First operand 103475 states and 118935 transitions. Second operand has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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 08:57:41,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:41,280 INFO L93 Difference]: Finished difference Result 324044 states and 396643 transitions. [2025-02-08 08:57:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-02-08 08:57:41,281 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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 282 [2025-02-08 08:57:41,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:41,662 INFO L225 Difference]: With dead ends: 324044 [2025-02-08 08:57:41,662 INFO L226 Difference]: Without dead ends: 324042 [2025-02-08 08:57:41,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:57:41,739 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 1026 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 442 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:41,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 647 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [442 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 08:57:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324042 states. [2025-02-08 08:57:49,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324042 to 123183. [2025-02-08 08:57:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123183 states, 123179 states have (on average 1.1634207129462002) internal successors, (143309), 123182 states have internal predecessors, (143309), 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 08:57:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123183 states to 123183 states and 143309 transitions. [2025-02-08 08:57:49,297 INFO L78 Accepts]: Start accepts. Automaton has 123183 states and 143309 transitions. Word has length 282 [2025-02-08 08:57:49,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:49,298 INFO L471 AbstractCegarLoop]: Abstraction has 123183 states and 143309 transitions. [2025-02-08 08:57:49,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.926315789473684) internal successors, (563), 96 states have internal predecessors, (563), 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 08:57:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 123183 states and 143309 transitions. [2025-02-08 08:57:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2025-02-08 08:57:49,366 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:49,366 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 1, 1, 1] [2025-02-08 08:57:49,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 08:57:49,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 08:57:49,567 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-08 08:57:49,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:49,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1728781930, now seen corresponding path program 5 times [2025-02-08 08:57:49,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:49,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322381757] [2025-02-08 08:57:49,568 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:57:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:49,574 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 284 statements into 47 equivalence classes. [2025-02-08 08:57:49,619 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 284 of 284 statements. [2025-02-08 08:57:49,619 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:57:49,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:50,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:50,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322381757] [2025-02-08 08:57:50,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322381757] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:50,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358554100] [2025-02-08 08:57:50,876 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:57:50,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:50,878 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:57:50,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 08:57:50,904 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 284 statements into 47 equivalence classes. [2025-02-08 08:57:50,965 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 284 of 284 statements. [2025-02-08 08:57:50,965 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-08 08:57:50,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:50,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-08 08:57:50,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:51,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6486 backedges. 0 proven. 6486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:53,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358554100] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:53,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:53,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-02-08 08:57:53,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171228884] [2025-02-08 08:57:53,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:53,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-08 08:57:53,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:53,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-08 08:57:53,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 08:57:53,032 INFO L87 Difference]: Start difference. First operand 123183 states and 143309 transitions. Second operand has 96 states, 95 states have (on average 5.968421052631579) internal successors, (567), 96 states have internal predecessors, (567), 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)