./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-?-c00e63d-m [2025-02-06 13:26:52,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:26:52,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 13:26:52,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:26:52,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:26:52,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:26:52,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:26:52,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:26:52,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:26:52,651 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:26:52,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:26:52,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:26:52,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:26:52,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:26:52,651 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:26:52,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:26:52,652 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:26:52,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:26:52,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:26:52,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:26:52,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:26:52,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:26:52,654 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:26:52,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:26:52,654 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 [2025-02-06 13:26:52,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:26:52,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:26:52,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:26:52,837 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:26:52,837 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:26:52,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-06 13:26:53,977 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e93f8c0fd/ba8b0dce3e8d40b995b19bd0366da25e/FLAG52834855c [2025-02-06 13:26:54,246 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:26:54,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-06 13:26:54,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e93f8c0fd/ba8b0dce3e8d40b995b19bd0366da25e/FLAG52834855c [2025-02-06 13:26:54,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e93f8c0fd/ba8b0dce3e8d40b995b19bd0366da25e [2025-02-06 13:26:54,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:26:54,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:26:54,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:26:54,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:26:54,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:26:54,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23db4b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54, skipping insertion in model container [2025-02-06 13:26:54,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:26:54,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:26:54,665 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:26:54,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:26:54,682 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:26:54,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54 WrapperNode [2025-02-06 13:26:54,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:26:54,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:26:54,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:26:54,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:26:54,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,699 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2025-02-06 13:26:54,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:26:54,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:26:54,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:26:54,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:26:54,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,709 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 13:26:54,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,712 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:26:54,716 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:26:54,716 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:26:54,717 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:26:54,717 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (1/1) ... [2025-02-06 13:26:54,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:26:54,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:54,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:26:54,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:26:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:26:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:26:54,815 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:26:54,816 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:26:54,886 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-06 13:26:54,886 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:26:54,891 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:26:54,892 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:26:54,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:26:54 BoogieIcfgContainer [2025-02-06 13:26:54,892 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:26:54,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:26:54,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:26:54,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:26:54,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:26:54" (1/3) ... [2025-02-06 13:26:54,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e4615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:26:54, skipping insertion in model container [2025-02-06 13:26:54,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:26:54" (2/3) ... [2025-02-06 13:26:54,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e4615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:26:54, skipping insertion in model container [2025-02-06 13:26:54,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:26:54" (3/3) ... [2025-02-06 13:26:54,898 INFO L128 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2025-02-06 13:26:54,907 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:26:54,909 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-06 13:26:54,937 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:26:54,945 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;@15e618cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:26:54,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 13:26:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 20 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) [2025-02-06 13:26:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:26:54,951 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:54,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:26:54,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:54,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:54,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1537321821, now seen corresponding path program 1 times [2025-02-06 13:26:54,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:54,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443264843] [2025-02-06 13:26:54,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:54,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:26:55,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:26:55,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443264843] [2025-02-06 13:26:55,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443264843] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:26:55,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:26:55,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:26:55,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503459585] [2025-02-06 13:26:55,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:26:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:26:55,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,089 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 20 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) 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) [2025-02-06 13:26:55,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,132 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2025-02-06 13:26:55,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:26:55,134 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 [2025-02-06 13:26:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,138 INFO L225 Difference]: With dead ends: 35 [2025-02-06 13:26:55,138 INFO L226 Difference]: Without dead ends: 27 [2025-02-06 13:26:55,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,142 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 35 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 [2025-02-06 13:26:55,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 35 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-06 13:26:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2025-02-06 13:26:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2025-02-06 13:26:55,166 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 6 [2025-02-06 13:26:55,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,166 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2025-02-06 13:26:55,166 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) [2025-02-06 13:26:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2025-02-06 13:26:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:26:55,167 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,167 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:26:55,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:55,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 412336177, now seen corresponding path program 1 times [2025-02-06 13:26:55,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:55,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569941857] [2025-02-06 13:26:55,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:26:55,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:26:55,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569941857] [2025-02-06 13:26:55,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569941857] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:26:55,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:26:55,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:26:55,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664844793] [2025-02-06 13:26:55,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:26:55,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:26:55,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,214 INFO L87 Difference]: Start difference. First operand 24 states and 29 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) [2025-02-06 13:26:55,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,246 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2025-02-06 13:26:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:26:55,247 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 [2025-02-06 13:26:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,247 INFO L225 Difference]: With dead ends: 41 [2025-02-06 13:26:55,247 INFO L226 Difference]: Without dead ends: 39 [2025-02-06 13:26:55,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,248 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:55,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 20 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-02-06 13:26:55,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2025-02-06 13:26:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2025-02-06 13:26:55,256 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 7 [2025-02-06 13:26:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,256 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2025-02-06 13:26:55,256 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) [2025-02-06 13:26:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2025-02-06 13:26:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:26:55,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:26:55,257 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)] === [2025-02-06 13:26:55,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:55,258 INFO L85 PathProgramCache]: Analyzing trace with hash -102480426, now seen corresponding path program 1 times [2025-02-06 13:26:55,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:55,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145567755] [2025-02-06 13:26:55,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:26:55,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:26:55,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145567755] [2025-02-06 13:26:55,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145567755] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:26:55,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:26:55,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:26:55,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255121033] [2025-02-06 13:26:55,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:26:55,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:26:55,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,291 INFO L87 Difference]: Start difference. First operand 37 states and 48 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) [2025-02-06 13:26:55,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,303 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2025-02-06 13:26:55,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:26:55,304 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 [2025-02-06 13:26:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,306 INFO L225 Difference]: With dead ends: 37 [2025-02-06 13:26:55,306 INFO L226 Difference]: Without dead ends: 36 [2025-02-06 13:26:55,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,307 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 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 [2025-02-06 13:26:55,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-06 13:26:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-02-06 13:26:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2025-02-06 13:26:55,313 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 8 [2025-02-06 13:26:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,313 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2025-02-06 13:26:55,313 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) [2025-02-06 13:26:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2025-02-06 13:26:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 13:26:55,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,313 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:26:55,314 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)] === [2025-02-06 13:26:55,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1118074063, now seen corresponding path program 1 times [2025-02-06 13:26:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:55,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352521426] [2025-02-06 13:26:55,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:26:55,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:26:55,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352521426] [2025-02-06 13:26:55,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352521426] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:26:55,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:26:55,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:26:55,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083240291] [2025-02-06 13:26:55,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:26:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:26:55,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,339 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,358 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2025-02-06 13:26:55,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:26:55,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2025-02-06 13:26:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,359 INFO L225 Difference]: With dead ends: 42 [2025-02-06 13:26:55,360 INFO L226 Difference]: Without dead ends: 41 [2025-02-06 13:26:55,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:26:55,361 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 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 [2025-02-06 13:26:55,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-06 13:26:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-02-06 13:26:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2025-02-06 13:26:55,369 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2025-02-06 13:26:55,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,369 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2025-02-06 13:26:55,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2025-02-06 13:26:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:26:55,369 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,369 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:26:55,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:55,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:55,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1073017410, now seen corresponding path program 1 times [2025-02-06 13:26:55,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:55,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582735053] [2025-02-06 13:26:55,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:26:55,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:26:55,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582735053] [2025-02-06 13:26:55,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582735053] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470204629] [2025-02-06 13:26:55,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:55,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:55,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:26:55,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:26:55,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:26:55,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:26:55,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470204629] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:55,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:55,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:26:55,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735416207] [2025-02-06 13:26:55,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:26:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:26:55,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:26:55,518 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,575 INFO L93 Difference]: Finished difference Result 99 states and 136 transitions. [2025-02-06 13:26:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:26:55,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-06 13:26:55,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,577 INFO L225 Difference]: With dead ends: 99 [2025-02-06 13:26:55,577 INFO L226 Difference]: Without dead ends: 97 [2025-02-06 13:26:55,578 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 [2025-02-06 13:26:55,578 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:55,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 42 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-02-06 13:26:55,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 80. [2025-02-06 13:26:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 79 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 104 transitions. [2025-02-06 13:26:55,585 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 104 transitions. Word has length 12 [2025-02-06 13:26:55,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,585 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 104 transitions. [2025-02-06 13:26:55,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2025-02-06 13:26:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 13:26:55,586 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,586 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:26:55,786 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 [2025-02-06 13:26:55,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:55,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:55,787 INFO L85 PathProgramCache]: Analyzing trace with hash -915529145, now seen corresponding path program 1 times [2025-02-06 13:26:55,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:55,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196371316] [2025-02-06 13:26:55,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:55,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 13:26:55,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 13:26:55,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:55,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196371316] [2025-02-06 13:26:55,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196371316] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:55,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790559706] [2025-02-06 13:26:55,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:55,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:55,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:55,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:55,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:26:55,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 13:26:55,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 13:26:55,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:55,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:55,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:26:55,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:55,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:55,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790559706] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:55,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:55,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:26:55,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066512006] [2025-02-06 13:26:55,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:55,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:26:55,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:55,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:26:55,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:26:55,902 INFO L87 Difference]: Start difference. First operand 80 states and 104 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:55,928 INFO L93 Difference]: Finished difference Result 136 states and 187 transitions. [2025-02-06 13:26:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:26:55,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-06 13:26:55,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:55,930 INFO L225 Difference]: With dead ends: 136 [2025-02-06 13:26:55,930 INFO L226 Difference]: Without dead ends: 134 [2025-02-06 13:26:55,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:26:55,931 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:55,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:55,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-06 13:26:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 101. [2025-02-06 13:26:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 97 states have (on average 1.3402061855670102) internal successors, (130), 100 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2025-02-06 13:26:55,937 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 13 [2025-02-06 13:26:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:55,938 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2025-02-06 13:26:55,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2025-02-06 13:26:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:26:55,938 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:55,938 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:26:55,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:26:56,139 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 [2025-02-06 13:26:56,139 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)] === [2025-02-06 13:26:56,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:56,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1179940918, now seen corresponding path program 1 times [2025-02-06 13:26:56,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265931768] [2025-02-06 13:26:56,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:56,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:26:56,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:26:56,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:56,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265931768] [2025-02-06 13:26:56,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265931768] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813122293] [2025-02-06 13:26:56,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:56,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:56,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:56,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:26:56,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:26:56,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:26:56,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:56,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:56,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:26:56,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813122293] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:56,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:56,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:26:56,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829030536] [2025-02-06 13:26:56,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:56,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:26:56,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:56,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:26:56,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:26:56,333 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 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) [2025-02-06 13:26:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:56,390 INFO L93 Difference]: Finished difference Result 216 states and 277 transitions. [2025-02-06 13:26:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:26:56,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 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) Word has length 15 [2025-02-06 13:26:56,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:56,391 INFO L225 Difference]: With dead ends: 216 [2025-02-06 13:26:56,391 INFO L226 Difference]: Without dead ends: 215 [2025-02-06 13:26:56,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:26:56,391 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:56,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 49 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-06 13:26:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2025-02-06 13:26:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 209 states have (on average 1.229665071770335) internal successors, (257), 212 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 257 transitions. [2025-02-06 13:26:56,411 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 257 transitions. Word has length 15 [2025-02-06 13:26:56,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:56,412 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 257 transitions. [2025-02-06 13:26:56,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 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) [2025-02-06 13:26:56,412 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 257 transitions. [2025-02-06 13:26:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:26:56,412 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:56,412 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2025-02-06 13:26:56,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:26:56,613 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 [2025-02-06 13:26:56,613 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:56,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:56,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1656747912, now seen corresponding path program 1 times [2025-02-06 13:26:56,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:56,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093840576] [2025-02-06 13:26:56,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:56,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:56,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:26:56,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:26:56,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:56,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:56,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093840576] [2025-02-06 13:26:56,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093840576] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:56,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874487062] [2025-02-06 13:26:56,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:26:56,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:56,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:56,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:56,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:26:56,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:26:56,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:26:56,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:26:56,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:56,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:26:56,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:56,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874487062] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:56,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:56,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 13:26:56,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221605871] [2025-02-06 13:26:56,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:56,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:26:56,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:56,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:26:56,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:26:56,780 INFO L87 Difference]: Start difference. First operand 213 states and 257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:56,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:56,823 INFO L93 Difference]: Finished difference Result 412 states and 528 transitions. [2025-02-06 13:26:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:26:56,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-06 13:26:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:56,825 INFO L225 Difference]: With dead ends: 412 [2025-02-06 13:26:56,825 INFO L226 Difference]: Without dead ends: 411 [2025-02-06 13:26:56,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:26:56,826 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 40 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:56,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 49 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-02-06 13:26:56,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 342. [2025-02-06 13:26:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 338 states have (on average 1.2662721893491125) internal successors, (428), 341 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:56,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 428 transitions. [2025-02-06 13:26:56,841 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 428 transitions. Word has length 19 [2025-02-06 13:26:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:56,841 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 428 transitions. [2025-02-06 13:26:56,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 428 transitions. [2025-02-06 13:26:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:26:56,842 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:56,842 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 13:26:56,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:26:57,045 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 [2025-02-06 13:26:57,045 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash -189462415, now seen corresponding path program 2 times [2025-02-06 13:26:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346090037] [2025-02-06 13:26:57,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:57,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-06 13:26:57,054 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:26:57,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:57,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:57,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346090037] [2025-02-06 13:26:57,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346090037] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:57,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396987004] [2025-02-06 13:26:57,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:57,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:57,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:57,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:26:57,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 30 statements into 2 equivalence classes. [2025-02-06 13:26:57,162 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:26:57,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:57,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:57,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:26:57,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396987004] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:57,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:57,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-06 13:26:57,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693006952] [2025-02-06 13:26:57,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:57,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:26:57,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:57,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:26:57,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:26:57,264 INFO L87 Difference]: Start difference. First operand 342 states and 428 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:57,341 INFO L93 Difference]: Finished difference Result 885 states and 1209 transitions. [2025-02-06 13:26:57,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:26:57,341 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 [2025-02-06 13:26:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:57,344 INFO L225 Difference]: With dead ends: 885 [2025-02-06 13:26:57,344 INFO L226 Difference]: Without dead ends: 883 [2025-02-06 13:26:57,345 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 [2025-02-06 13:26:57,345 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 64 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:57,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 80 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:26:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2025-02-06 13:26:57,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 584. [2025-02-06 13:26:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 580 states have (on average 1.2810344827586206) internal successors, (743), 583 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 743 transitions. [2025-02-06 13:26:57,393 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 743 transitions. Word has length 30 [2025-02-06 13:26:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:57,393 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 743 transitions. [2025-02-06 13:26:57,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 743 transitions. [2025-02-06 13:26:57,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:26:57,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:57,395 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2025-02-06 13:26:57,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:26:57,595 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 [2025-02-06 13:26:57,596 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)] === [2025-02-06 13:26:57,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash -687796421, now seen corresponding path program 2 times [2025-02-06 13:26:57,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:57,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198219864] [2025-02-06 13:26:57,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:57,602 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-06 13:26:57,606 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:26:57,606 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:57,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198219864] [2025-02-06 13:26:57,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198219864] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313956376] [2025-02-06 13:26:57,651 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:57,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:57,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:57,653 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:57,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:26:57,677 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-02-06 13:26:57,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:26:57,685 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:57,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:57,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:26:57,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:57,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313956376] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:57,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:57,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-06 13:26:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131015156] [2025-02-06 13:26:57,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:57,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:26:57,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:57,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:26:57,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:26:57,783 INFO L87 Difference]: Start difference. First operand 584 states and 743 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:57,849 INFO L93 Difference]: Finished difference Result 1695 states and 2186 transitions. [2025-02-06 13:26:57,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:26:57,849 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 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 33 [2025-02-06 13:26:57,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:57,854 INFO L225 Difference]: With dead ends: 1695 [2025-02-06 13:26:57,854 INFO L226 Difference]: Without dead ends: 1694 [2025-02-06 13:26:57,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:26:57,855 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 78 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:57,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 85 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:26:57,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2025-02-06 13:26:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1690. [2025-02-06 13:26:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1686 states have (on average 1.188612099644128) internal successors, (2004), 1689 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2004 transitions. [2025-02-06 13:26:57,901 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2004 transitions. Word has length 33 [2025-02-06 13:26:57,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:57,901 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2004 transitions. [2025-02-06 13:26:57,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2004 transitions. [2025-02-06 13:26:57,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:26:57,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:57,903 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 1, 1, 1, 1] [2025-02-06 13:26:57,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:26:58,103 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 [2025-02-06 13:26:58,104 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:58,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:58,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1883022896, now seen corresponding path program 2 times [2025-02-06 13:26:58,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:58,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687971616] [2025-02-06 13:26:58,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:58,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:58,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-02-06 13:26:58,111 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:26:58,112 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:58,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:58,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687971616] [2025-02-06 13:26:58,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687971616] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:58,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229478151] [2025-02-06 13:26:58,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:26:58,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:58,214 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:58,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:26:58,236 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-02-06 13:26:58,246 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:26:58,246 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:26:58,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:58,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:26:58,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:58,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:58,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229478151] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:58,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:58,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-02-06 13:26:58,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984019720] [2025-02-06 13:26:58,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:58,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:26:58,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:58,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:26:58,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:26:58,403 INFO L87 Difference]: Start difference. First operand 1690 states and 2004 transitions. Second operand has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:58,551 INFO L93 Difference]: Finished difference Result 3516 states and 4339 transitions. [2025-02-06 13:26:58,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 13:26:58,551 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2025-02-06 13:26:58,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:58,562 INFO L225 Difference]: With dead ends: 3516 [2025-02-06 13:26:58,562 INFO L226 Difference]: Without dead ends: 3515 [2025-02-06 13:26:58,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:26:58,564 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 115 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:58,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 99 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:26:58,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2025-02-06 13:26:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 2128. [2025-02-06 13:26:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 2124 states have (on average 1.2080979284369116) internal successors, (2566), 2127 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) [2025-02-06 13:26:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2566 transitions. [2025-02-06 13:26:58,654 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2566 transitions. Word has length 43 [2025-02-06 13:26:58,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:58,654 INFO L471 AbstractCegarLoop]: Abstraction has 2128 states and 2566 transitions. [2025-02-06 13:26:58,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.6) internal successors, (84), 16 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2566 transitions. [2025-02-06 13:26:58,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 13:26:58,656 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:58,656 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2025-02-06 13:26:58,662 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 [2025-02-06 13:26:58,857 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 [2025-02-06 13:26:58,857 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:58,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1126138993, now seen corresponding path program 3 times [2025-02-06 13:26:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:58,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265757311] [2025-02-06 13:26:58,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:26:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:58,863 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-02-06 13:26:58,871 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 13:26:58,871 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:26:58,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:59,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:59,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265757311] [2025-02-06 13:26:59,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265757311] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:59,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049709375] [2025-02-06 13:26:59,035 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:26:59,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:59,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:59,037 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:59,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:26:59,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 66 statements into 11 equivalence classes. [2025-02-06 13:26:59,074 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 13:26:59,074 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:26:59,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:59,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:26:59,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:59,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:26:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:59,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049709375] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:26:59,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:26:59,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-06 13:26:59,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943049878] [2025-02-06 13:26:59,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:26:59,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 13:26:59,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:26:59,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 13:26:59,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:26:59,423 INFO L87 Difference]: Start difference. First operand 2128 states and 2566 transitions. Second operand has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:59,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:59,698 INFO L93 Difference]: Finished difference Result 5670 states and 7446 transitions. [2025-02-06 13:26:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 13:26:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 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 [2025-02-06 13:26:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:59,714 INFO L225 Difference]: With dead ends: 5670 [2025-02-06 13:26:59,714 INFO L226 Difference]: Without dead ends: 5668 [2025-02-06 13:26:59,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:26:59,717 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 154 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:59,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 167 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:26:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5668 states. [2025-02-06 13:26:59,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5668 to 3166. [2025-02-06 13:26:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3166 states, 3162 states have (on average 1.2292852624920936) internal successors, (3887), 3165 states have internal predecessors, (3887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 3166 states and 3887 transitions. [2025-02-06 13:26:59,866 INFO L78 Accepts]: Start accepts. Automaton has 3166 states and 3887 transitions. Word has length 66 [2025-02-06 13:26:59,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:59,866 INFO L471 AbstractCegarLoop]: Abstraction has 3166 states and 3887 transitions. [2025-02-06 13:26:59,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3887 transitions. [2025-02-06 13:26:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 13:26:59,870 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:59,870 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2025-02-06 13:26:59,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:27:00,071 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 [2025-02-06 13:27:00,072 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)] === [2025-02-06 13:27:00,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:00,072 INFO L85 PathProgramCache]: Analyzing trace with hash -817209507, now seen corresponding path program 3 times [2025-02-06 13:27:00,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:00,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630963826] [2025-02-06 13:27:00,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:27:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:00,077 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 69 statements into 11 equivalence classes. [2025-02-06 13:27:00,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:27:00,086 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:27:00,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630963826] [2025-02-06 13:27:00,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630963826] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442764442] [2025-02-06 13:27:00,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:27:00,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:00,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:00,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:27:00,296 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 69 statements into 11 equivalence classes. [2025-02-06 13:27:00,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:27:00,312 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:27:00,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:00,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:27:00,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:00,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:00,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442764442] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:00,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:00,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-06 13:27:00,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162839900] [2025-02-06 13:27:00,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:00,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 13:27:00,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:00,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 13:27:00,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:27:00,636 INFO L87 Difference]: Start difference. First operand 3166 states and 3887 transitions. Second operand has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:00,958 INFO L93 Difference]: Finished difference Result 12431 states and 15763 transitions. [2025-02-06 13:27:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 13:27:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 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 69 [2025-02-06 13:27:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:00,985 INFO L225 Difference]: With dead ends: 12431 [2025-02-06 13:27:00,985 INFO L226 Difference]: Without dead ends: 12430 [2025-02-06 13:27:00,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:27:00,991 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 235 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 161 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 [2025-02-06 13:27:00,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 161 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:27:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2025-02-06 13:27:01,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 12422. [2025-02-06 13:27:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12422 states, 12418 states have (on average 1.1598486068610083) internal successors, (14403), 12421 states have internal predecessors, (14403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12422 states to 12422 states and 14403 transitions. [2025-02-06 13:27:01,340 INFO L78 Accepts]: Start accepts. Automaton has 12422 states and 14403 transitions. Word has length 69 [2025-02-06 13:27:01,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:27:01,340 INFO L471 AbstractCegarLoop]: Abstraction has 12422 states and 14403 transitions. [2025-02-06 13:27:01,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:01,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12422 states and 14403 transitions. [2025-02-06 13:27:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 13:27:01,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:27:01,346 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 1, 1, 1, 1] [2025-02-06 13:27:01,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:27:01,547 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 [2025-02-06 13:27:01,547 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:27:01,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1010277248, now seen corresponding path program 3 times [2025-02-06 13:27:01,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:01,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670460814] [2025-02-06 13:27:01,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:27:01,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:01,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-02-06 13:27:01,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 13:27:01,567 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-06 13:27:01,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670460814] [2025-02-06 13:27:01,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670460814] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583712221] [2025-02-06 13:27:01,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:27:01,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:01,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:01,858 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:01,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:27:01,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 91 statements into 15 equivalence classes. [2025-02-06 13:27:01,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 13:27:01,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-06 13:27:01,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:01,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:27:01,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:02,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:02,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583712221] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:02,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:02,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2025-02-06 13:27:02,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892342654] [2025-02-06 13:27:02,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:02,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-06 13:27:02,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:02,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-06 13:27:02,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-06 13:27:02,400 INFO L87 Difference]: Start difference. First operand 12422 states and 14403 transitions. Second operand has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:03,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:03,053 INFO L93 Difference]: Finished difference Result 29322 states and 35074 transitions. [2025-02-06 13:27:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-06 13:27:03,056 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2025-02-06 13:27:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:03,118 INFO L225 Difference]: With dead ends: 29322 [2025-02-06 13:27:03,118 INFO L226 Difference]: Without dead ends: 29321 [2025-02-06 13:27:03,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-06 13:27:03,130 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 226 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:27:03,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 198 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:27:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29321 states. [2025-02-06 13:27:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29321 to 14272. [2025-02-06 13:27:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14272 states, 14268 states have (on average 1.1712223156714325) internal successors, (16711), 14271 states have internal predecessors, (16711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14272 states to 14272 states and 16711 transitions. [2025-02-06 13:27:03,658 INFO L78 Accepts]: Start accepts. Automaton has 14272 states and 16711 transitions. Word has length 91 [2025-02-06 13:27:03,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:27:03,658 INFO L471 AbstractCegarLoop]: Abstraction has 14272 states and 16711 transitions. [2025-02-06 13:27:03,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.806451612903226) internal successors, (180), 32 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand 14272 states and 16711 transitions. [2025-02-06 13:27:03,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-06 13:27:03,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:27:03,673 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2025-02-06 13:27:03,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 13:27:03,874 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 [2025-02-06 13:27:03,876 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:27:03,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash -24199989, now seen corresponding path program 4 times [2025-02-06 13:27:03,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:03,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820117259] [2025-02-06 13:27:03,876 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:03,883 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-02-06 13:27:03,892 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 13:27:03,893 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:03,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:04,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:04,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820117259] [2025-02-06 13:27:04,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820117259] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:04,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174741525] [2025-02-06 13:27:04,600 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:04,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:04,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:04,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:04,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 13:27:04,633 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-02-06 13:27:04,661 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 13:27:04,661 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:04,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:04,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:27:04,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:04,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:05,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174741525] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:05,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:05,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-06 13:27:05,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618285919] [2025-02-06 13:27:05,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:05,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 13:27:05,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:05,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 13:27:05,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:27:05,648 INFO L87 Difference]: Start difference. First operand 14272 states and 16711 transitions. Second operand has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:06,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:06,653 INFO L93 Difference]: Finished difference Result 40428 states and 51057 transitions. [2025-02-06 13:27:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-06 13:27:06,654 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 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 [2025-02-06 13:27:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:06,710 INFO L225 Difference]: With dead ends: 40428 [2025-02-06 13:27:06,710 INFO L226 Difference]: Without dead ends: 40426 [2025-02-06 13:27:06,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:27:06,726 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 367 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:27:06,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 325 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:27:06,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40426 states. [2025-02-06 13:27:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40426 to 18748. [2025-02-06 13:27:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18748 states, 18744 states have (on average 1.1906743491250533) internal successors, (22318), 18747 states have internal predecessors, (22318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18748 states to 18748 states and 22318 transitions. [2025-02-06 13:27:07,422 INFO L78 Accepts]: Start accepts. Automaton has 18748 states and 22318 transitions. Word has length 138 [2025-02-06 13:27:07,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:27:07,422 INFO L471 AbstractCegarLoop]: Abstraction has 18748 states and 22318 transitions. [2025-02-06 13:27:07,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.829787234042553) internal successors, (274), 48 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 18748 states and 22318 transitions. [2025-02-06 13:27:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-06 13:27:07,437 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:27:07,437 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 1, 1, 1, 1] [2025-02-06 13:27:07,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 13:27:07,641 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 [2025-02-06 13:27:07,641 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)] === [2025-02-06 13:27:07,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:07,641 INFO L85 PathProgramCache]: Analyzing trace with hash 612615329, now seen corresponding path program 4 times [2025-02-06 13:27:07,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:07,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449143462] [2025-02-06 13:27:07,641 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:07,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:07,646 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 141 statements into 2 equivalence classes. [2025-02-06 13:27:07,654 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-02-06 13:27:07,654 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:07,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449143462] [2025-02-06 13:27:08,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449143462] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:08,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689290907] [2025-02-06 13:27:08,270 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:08,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:08,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:08,275 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:08,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 13:27:08,297 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 141 statements into 2 equivalence classes. [2025-02-06 13:27:08,322 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-02-06 13:27:08,322 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:08,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:08,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:27:08,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:08,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:09,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689290907] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:09,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:09,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-06 13:27:09,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512648937] [2025-02-06 13:27:09,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:09,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 13:27:09,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:09,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 13:27:09,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:27:09,153 INFO L87 Difference]: Start difference. First operand 18748 states and 22318 transitions. Second operand has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:12,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:12,228 INFO L93 Difference]: Finished difference Result 95285 states and 119348 transitions. [2025-02-06 13:27:12,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-06 13:27:12,229 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 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 141 [2025-02-06 13:27:12,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:12,306 INFO L225 Difference]: With dead ends: 95285 [2025-02-06 13:27:12,306 INFO L226 Difference]: Without dead ends: 95284 [2025-02-06 13:27:12,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:27:12,326 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 552 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:27:12,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 316 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:27:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95284 states. [2025-02-06 13:27:16,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95284 to 95268. [2025-02-06 13:27:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95268 states, 95264 states have (on average 1.1431915518978837) internal successors, (108905), 95267 states have internal predecessors, (108905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95268 states to 95268 states and 108905 transitions. [2025-02-06 13:27:16,438 INFO L78 Accepts]: Start accepts. Automaton has 95268 states and 108905 transitions. Word has length 141 [2025-02-06 13:27:16,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:27:16,439 INFO L471 AbstractCegarLoop]: Abstraction has 95268 states and 108905 transitions. [2025-02-06 13:27:16,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:16,439 INFO L276 IsEmpty]: Start isEmpty. Operand 95268 states and 108905 transitions. [2025-02-06 13:27:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-02-06 13:27:16,466 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:27:16,466 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 1, 1, 1, 1] [2025-02-06 13:27:16,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 13:27:16,671 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 [2025-02-06 13:27:16,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:27:16,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash 913054176, now seen corresponding path program 4 times [2025-02-06 13:27:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:16,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169685016] [2025-02-06 13:27:16,671 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:16,677 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-02-06 13:27:16,685 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-06 13:27:16,685 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:16,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:17,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:17,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169685016] [2025-02-06 13:27:17,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169685016] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:17,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615639992] [2025-02-06 13:27:17,254 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:27:17,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:17,256 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:17,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 13:27:17,278 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 187 statements into 2 equivalence classes. [2025-02-06 13:27:17,305 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 187 of 187 statements. [2025-02-06 13:27:17,305 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:27:17,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:17,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-06 13:27:17,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:17,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:18,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615639992] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:18,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:18,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2025-02-06 13:27:18,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674778646] [2025-02-06 13:27:18,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:18,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-02-06 13:27:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:18,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-02-06 13:27:18,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-06 13:27:18,443 INFO L87 Difference]: Start difference. First operand 95268 states and 108905 transitions. Second operand has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:26,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:26,486 INFO L93 Difference]: Finished difference Result 292420 states and 341486 transitions. [2025-02-06 13:27:26,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-02-06 13:27:26,487 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2025-02-06 13:27:26,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:26,819 INFO L225 Difference]: With dead ends: 292420 [2025-02-06 13:27:26,820 INFO L226 Difference]: Without dead ends: 292419 [2025-02-06 13:27:26,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2025-02-06 13:27:26,879 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 640 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:27:26,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 385 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:27:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292419 states. [2025-02-06 13:27:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292419 to 103462. [2025-02-06 13:27:33,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103462 states, 103458 states have (on average 1.1494809487908138) internal successors, (118923), 103461 states have internal predecessors, (118923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103462 states to 103462 states and 118923 transitions. [2025-02-06 13:27:33,232 INFO L78 Accepts]: Start accepts. Automaton has 103462 states and 118923 transitions. Word has length 187 [2025-02-06 13:27:33,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:27:33,232 INFO L471 AbstractCegarLoop]: Abstraction has 103462 states and 118923 transitions. [2025-02-06 13:27:33,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.904761904761905) internal successors, (372), 64 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 103462 states and 118923 transitions. [2025-02-06 13:27:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2025-02-06 13:27:33,304 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:27:33,304 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2025-02-06 13:27:33,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 13:27:33,508 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 [2025-02-06 13:27:33,508 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:27:33,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:27:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash 817539907, now seen corresponding path program 5 times [2025-02-06 13:27:33,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:27:33,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256379304] [2025-02-06 13:27:33,509 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:27:33,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:27:33,517 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-02-06 13:27:33,567 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-02-06 13:27:33,568 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:27:33,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:35,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:27:35,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256379304] [2025-02-06 13:27:35,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256379304] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:27:35,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790255153] [2025-02-06 13:27:35,447 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:27:35,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:27:35,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:27:35,449 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:27:35,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:27:35,484 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 282 statements into 47 equivalence classes. [2025-02-06 13:27:35,579 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 282 of 282 statements. [2025-02-06 13:27:35,580 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:27:35,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:27:35,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-06 13:27:35,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:27:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:35,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:27:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6348 backedges. 0 proven. 6348 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:27:38,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790255153] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:27:38,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:27:38,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-02-06 13:27:38,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869121476] [2025-02-06 13:27:38,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:27:38,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-06 13:27:38,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:27:38,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-06 13:27:38,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 13:27:38,395 INFO L87 Difference]: Start difference. First operand 103462 states and 118923 transitions. Second operand has 96 states, 95 states have (on average 5.91578947368421) internal successors, (562), 96 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:27:47,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:27:47,119 INFO L93 Difference]: Finished difference Result 323756 states and 396390 transitions. [2025-02-06 13:27:47,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-02-06 13:27:47,119 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.91578947368421) internal successors, (562), 96 states have internal predecessors, (562), 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 [2025-02-06 13:27:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:27:47,512 INFO L225 Difference]: With dead ends: 323756 [2025-02-06 13:27:47,512 INFO L226 Difference]: Without dead ends: 323754 [2025-02-06 13:27:47,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 13:27:47,574 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 1048 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:27:47,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 673 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:27:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323754 states.