./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:11:33,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:11:33,670 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:11:33,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:11:33,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:11:33,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:11:33,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:11:33,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:11:33,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:11:33,699 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:11:33,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:11:33,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:11:33,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:11:33,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:11:33,701 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:11:33,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:33,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:11:33,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:11:33,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:11:33,703 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2025-02-06 14:11:33,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:11:33,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:11:33,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:11:33,970 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:11:33,970 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:11:33,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2025-02-06 14:11:35,202 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1141c142c/b7da2a205d594eeba6a8fb4eb94d46ae/FLAG7a2e2bde6 [2025-02-06 14:11:35,460 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:11:35,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2025-02-06 14:11:35,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1141c142c/b7da2a205d594eeba6a8fb4eb94d46ae/FLAG7a2e2bde6 [2025-02-06 14:11:35,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1141c142c/b7da2a205d594eeba6a8fb4eb94d46ae [2025-02-06 14:11:35,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:11:35,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:11:35,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:35,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:11:35,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:11:35,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:35,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ff9860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35, skipping insertion in model container [2025-02-06 14:11:35,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:35,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:11:35,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:35,930 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:11:35,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:35,958 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:11:35,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35 WrapperNode [2025-02-06 14:11:35,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:35,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:35,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:11:35,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:11:35,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:35,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:35,991 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2025-02-06 14:11:35,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:35,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:11:35,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:11:35,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:11:36,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,002 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,014 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:11:36,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,016 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:11:36,024 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:11:36,024 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:11:36,024 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:11:36,028 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (1/1) ... [2025-02-06 14:11:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:36,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:11:36,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:11:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:11:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:11:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:11:36,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:11:36,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:11:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:11:36,144 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:11:36,146 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:11:36,436 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-02-06 14:11:36,436 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:11:36,451 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:11:36,452 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:11:36,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:36 BoogieIcfgContainer [2025-02-06 14:11:36,455 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:11:36,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:11:36,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:11:36,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:11:36,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:11:35" (1/3) ... [2025-02-06 14:11:36,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1757095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:36, skipping insertion in model container [2025-02-06 14:11:36,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:35" (2/3) ... [2025-02-06 14:11:36,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1757095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:36, skipping insertion in model container [2025-02-06 14:11:36,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:36" (3/3) ... [2025-02-06 14:11:36,471 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound5.c [2025-02-06 14:11:36,494 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:11:36,495 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_unwindbound5.c that has 2 procedures, 84 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2025-02-06 14:11:36,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:11:36,558 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;@119bc44e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:11:36,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-02-06 14:11:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:11:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:11:36,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:36,566 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:11:36,566 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:36,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash -923470242, now seen corresponding path program 1 times [2025-02-06 14:11:36,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:36,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785355565] [2025-02-06 14:11:36,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:36,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:11:36,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:11:36,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:36,658 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 14:11:36,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:36,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785355565] [2025-02-06 14:11:36,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785355565] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:36,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:36,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:36,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260433581] [2025-02-06 14:11:36,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:36,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:11:36,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:36,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:11:36,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:36,678 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:36,693 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2025-02-06 14:11:36,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:11:36,695 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:11:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:36,699 INFO L225 Difference]: With dead ends: 164 [2025-02-06 14:11:36,700 INFO L226 Difference]: Without dead ends: 76 [2025-02-06 14:11:36,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:36,703 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:36,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-02-06 14:11:36,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-02-06 14:11:36,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2025-02-06 14:11:36,730 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2025-02-06 14:11:36,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:36,731 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2025-02-06 14:11:36,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2025-02-06 14:11:36,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:11:36,731 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:36,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:11:36,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:11:36,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:36,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:36,732 INFO L85 PathProgramCache]: Analyzing trace with hash -923440451, now seen corresponding path program 1 times [2025-02-06 14:11:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:36,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762967597] [2025-02-06 14:11:36,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:36,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:11:36,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:11:36,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:36,784 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 14:11:36,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:36,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762967597] [2025-02-06 14:11:36,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762967597] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:36,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:36,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:36,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214839473] [2025-02-06 14:11:36,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:36,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:36,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:36,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:36,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:36,786 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:36,834 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2025-02-06 14:11:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:11:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:36,835 INFO L225 Difference]: With dead ends: 85 [2025-02-06 14:11:36,835 INFO L226 Difference]: Without dead ends: 84 [2025-02-06 14:11:36,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:36,836 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:36,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:36,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-06 14:11:36,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2025-02-06 14:11:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2025-02-06 14:11:36,843 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2025-02-06 14:11:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:36,843 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2025-02-06 14:11:36,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2025-02-06 14:11:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 14:11:36,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:36,844 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:36,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:11:36,844 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:36,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1438117135, now seen corresponding path program 1 times [2025-02-06 14:11:36,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:36,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417076260] [2025-02-06 14:11:36,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:36,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 14:11:36,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 14:11:36,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:36,881 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 14:11:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417076260] [2025-02-06 14:11:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417076260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:36,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:36,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:36,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706510879] [2025-02-06 14:11:36,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:36,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:36,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:36,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:36,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:36,883 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 14:11:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:36,910 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2025-02-06 14:11:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:36,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 14:11:36,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:36,911 INFO L225 Difference]: With dead ends: 134 [2025-02-06 14:11:36,911 INFO L226 Difference]: Without dead ends: 83 [2025-02-06 14:11:36,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:36,912 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:36,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:36,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-06 14:11:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-02-06 14:11:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2025-02-06 14:11:36,918 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2025-02-06 14:11:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:36,918 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2025-02-06 14:11:36,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 14:11:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2025-02-06 14:11:36,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 14:11:36,918 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:36,919 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:36,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:11:36,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:36,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:36,919 INFO L85 PathProgramCache]: Analyzing trace with hash 981987439, now seen corresponding path program 1 times [2025-02-06 14:11:36,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:36,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705676865] [2025-02-06 14:11:36,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:36,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:11:36,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:11:36,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:36,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551308716] [2025-02-06 14:11:36,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:36,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:36,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:11:36,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:11:36,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:11:36,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:36,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:36,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:11:37,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:37,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705676865] [2025-02-06 14:11:37,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:37,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551308716] [2025-02-06 14:11:37,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551308716] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:37,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111020613] [2025-02-06 14:11:37,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:37,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:37,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,044 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:11:37,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,114 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2025-02-06 14:11:37,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:37,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 14:11:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,115 INFO L225 Difference]: With dead ends: 176 [2025-02-06 14:11:37,117 INFO L226 Difference]: Without dead ends: 122 [2025-02-06 14:11:37,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,118 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:37,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-06 14:11:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2025-02-06 14:11:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2025-02-06 14:11:37,133 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2025-02-06 14:11:37,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,134 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2025-02-06 14:11:37,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:11:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2025-02-06 14:11:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 14:11:37,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,134 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:11:37,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:37,339 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1314812425, now seen corresponding path program 1 times [2025-02-06 14:11:37,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878688058] [2025-02-06 14:11:37,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 14:11:37,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 14:11:37,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:37,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878688058] [2025-02-06 14:11:37,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878688058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766439001] [2025-02-06 14:11:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:37,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,459 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,549 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2025-02-06 14:11:37,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:37,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-06 14:11:37,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,553 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:11:37,554 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 14:11:37,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,558 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:37,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 14:11:37,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-06 14:11:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:37,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2025-02-06 14:11:37,572 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2025-02-06 14:11:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,573 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2025-02-06 14:11:37,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2025-02-06 14:11:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 14:11:37,573 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,573 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:11:37,574 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2104479482, now seen corresponding path program 1 times [2025-02-06 14:11:37,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550622624] [2025-02-06 14:11:37,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 14:11:37,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 14:11:37,593 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550622624] [2025-02-06 14:11:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550622624] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913556315] [2025-02-06 14:11:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:37,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,659 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,719 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2025-02-06 14:11:37,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:37,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-06 14:11:37,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,720 INFO L225 Difference]: With dead ends: 115 [2025-02-06 14:11:37,720 INFO L226 Difference]: Without dead ends: 114 [2025-02-06 14:11:37,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:37,720 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 128 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:37,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-06 14:11:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104. [2025-02-06 14:11:37,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 91 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2025-02-06 14:11:37,727 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 28 [2025-02-06 14:11:37,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,727 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2025-02-06 14:11:37,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,727 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2025-02-06 14:11:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 14:11:37,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,728 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:11:37,728 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2104480699, now seen corresponding path program 1 times [2025-02-06 14:11:37,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920246862] [2025-02-06 14:11:37,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 14:11:37,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 14:11:37,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:37,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920246862] [2025-02-06 14:11:37,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920246862] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:37,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339065513] [2025-02-06 14:11:37,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:37,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:37,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:37,816 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,885 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2025-02-06 14:11:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:37,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-06 14:11:37,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,886 INFO L225 Difference]: With dead ends: 104 [2025-02-06 14:11:37,887 INFO L226 Difference]: Without dead ends: 103 [2025-02-06 14:11:37,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:37,887 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 130 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 205 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:37,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-06 14:11:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-06 14:11:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2025-02-06 14:11:37,895 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2025-02-06 14:11:37,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,895 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2025-02-06 14:11:37,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2025-02-06 14:11:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 14:11:37,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,896 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:11:37,896 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,897 INFO L85 PathProgramCache]: Analyzing trace with hash -814392210, now seen corresponding path program 1 times [2025-02-06 14:11:37,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684097221] [2025-02-06 14:11:37,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 14:11:37,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 14:11:37,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:37,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684097221] [2025-02-06 14:11:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684097221] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:37,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249330378] [2025-02-06 14:11:37,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:37,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:37,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:37,945 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:37,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,997 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2025-02-06 14:11:37,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:11:37,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2025-02-06 14:11:37,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,998 INFO L225 Difference]: With dead ends: 120 [2025-02-06 14:11:37,998 INFO L226 Difference]: Without dead ends: 111 [2025-02-06 14:11:37,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:37,999 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 22 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 294 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:37,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-06 14:11:38,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2025-02-06 14:11:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2025-02-06 14:11:38,005 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2025-02-06 14:11:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:38,005 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2025-02-06 14:11:38,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2025-02-06 14:11:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 14:11:38,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:38,006 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:38,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:11:38,006 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:38,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:38,007 INFO L85 PathProgramCache]: Analyzing trace with hash -946865396, now seen corresponding path program 1 times [2025-02-06 14:11:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:38,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522934066] [2025-02-06 14:11:38,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:38,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:38,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:38,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:38,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:38,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338488122] [2025-02-06 14:11:38,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:38,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:38,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:38,038 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:38,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:11:38,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:38,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:38,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:38,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:38,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:38,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:38,092 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:38,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:38,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522934066] [2025-02-06 14:11:38,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:38,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338488122] [2025-02-06 14:11:38,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338488122] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:38,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:38,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:38,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10367892] [2025-02-06 14:11:38,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:38,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:38,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:38,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:38,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:38,093 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:38,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:38,129 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2025-02-06 14:11:38,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:38,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-02-06 14:11:38,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:38,130 INFO L225 Difference]: With dead ends: 145 [2025-02-06 14:11:38,130 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 14:11:38,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:38,130 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:38,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:38,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 14:11:38,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2025-02-06 14:11:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:11:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2025-02-06 14:11:38,136 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2025-02-06 14:11:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:38,136 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2025-02-06 14:11:38,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2025-02-06 14:11:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:11:38,137 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:38,137 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:38,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:38,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:38,341 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:38,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:38,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1085019274, now seen corresponding path program 1 times [2025-02-06 14:11:38,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:38,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442469626] [2025-02-06 14:11:38,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:38,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:38,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:38,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:38,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442469626] [2025-02-06 14:11:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442469626] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:38,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204068553] [2025-02-06 14:11:38,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:38,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:38,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:38,396 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:38,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:11:38,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:38,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:38,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:38,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:38,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:38,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:38,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204068553] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:38,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:38,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2025-02-06 14:11:38,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691985368] [2025-02-06 14:11:38,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:38,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:11:38,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:38,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:11:38,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:38,532 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 14:11:38,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:38,646 INFO L93 Difference]: Finished difference Result 253 states and 306 transitions. [2025-02-06 14:11:38,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:11:38,647 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2025-02-06 14:11:38,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:38,648 INFO L225 Difference]: With dead ends: 253 [2025-02-06 14:11:38,648 INFO L226 Difference]: Without dead ends: 184 [2025-02-06 14:11:38,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:11:38,649 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 75 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:38,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-02-06 14:11:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 166. [2025-02-06 14:11:38,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 142 states have internal predecessors, (174), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:38,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 210 transitions. [2025-02-06 14:11:38,659 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 210 transitions. Word has length 33 [2025-02-06 14:11:38,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:38,659 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 210 transitions. [2025-02-06 14:11:38,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 14:11:38,659 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 210 transitions. [2025-02-06 14:11:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:11:38,660 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:38,660 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:38,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:38,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:38,861 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:38,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:38,862 INFO L85 PathProgramCache]: Analyzing trace with hash 595421610, now seen corresponding path program 1 times [2025-02-06 14:11:38,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:38,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837855149] [2025-02-06 14:11:38,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:38,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:38,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:38,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:38,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:38,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:38,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:38,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837855149] [2025-02-06 14:11:38,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837855149] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:38,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:38,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:38,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678561739] [2025-02-06 14:11:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:38,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:38,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:38,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:38,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:38,944 INFO L87 Difference]: Start difference. First operand 166 states and 210 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:39,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:39,137 INFO L93 Difference]: Finished difference Result 190 states and 236 transitions. [2025-02-06 14:11:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:39,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2025-02-06 14:11:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:39,139 INFO L225 Difference]: With dead ends: 190 [2025-02-06 14:11:39,139 INFO L226 Difference]: Without dead ends: 189 [2025-02-06 14:11:39,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:39,140 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:39,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-06 14:11:39,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 173. [2025-02-06 14:11:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2025-02-06 14:11:39,184 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2025-02-06 14:11:39,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:39,184 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2025-02-06 14:11:39,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2025-02-06 14:11:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 14:11:39,186 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:39,186 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:39,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 14:11:39,187 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:39,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1278200735, now seen corresponding path program 1 times [2025-02-06 14:11:39,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:39,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258342160] [2025-02-06 14:11:39,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:39,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:11:39,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:11:39,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:39,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:39,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842210115] [2025-02-06 14:11:39,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:39,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:39,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:39,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:11:39,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:11:39,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:11:39,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:39,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:39,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:39,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:39,350 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:39,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:39,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258342160] [2025-02-06 14:11:39,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:39,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842210115] [2025-02-06 14:11:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842210115] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:39,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:39,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:39,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53072219] [2025-02-06 14:11:39,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:39,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:39,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:39,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:39,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:39,352 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:39,475 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2025-02-06 14:11:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:39,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2025-02-06 14:11:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:39,478 INFO L225 Difference]: With dead ends: 179 [2025-02-06 14:11:39,478 INFO L226 Difference]: Without dead ends: 176 [2025-02-06 14:11:39,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:39,479 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:39,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:39,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-06 14:11:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2025-02-06 14:11:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2025-02-06 14:11:39,501 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2025-02-06 14:11:39,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:39,501 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2025-02-06 14:11:39,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2025-02-06 14:11:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:11:39,503 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:39,504 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:39,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 14:11:39,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-06 14:11:39,705 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:39,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:39,705 INFO L85 PathProgramCache]: Analyzing trace with hash -429017238, now seen corresponding path program 1 times [2025-02-06 14:11:39,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:39,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317829162] [2025-02-06 14:11:39,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:39,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:39,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:11:39,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:11:39,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:39,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:39,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612591594] [2025-02-06 14:11:39,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:39,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:39,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:39,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:39,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:11:39,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:11:39,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:11:39,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:39,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:39,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:39,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:39,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:39,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:39,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317829162] [2025-02-06 14:11:39,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:39,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612591594] [2025-02-06 14:11:39,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612591594] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:39,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834365810] [2025-02-06 14:11:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:39,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:39,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:39,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:39,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:39,799 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:39,855 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2025-02-06 14:11:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:39,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-06 14:11:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:39,857 INFO L225 Difference]: With dead ends: 213 [2025-02-06 14:11:39,857 INFO L226 Difference]: Without dead ends: 203 [2025-02-06 14:11:39,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:39,857 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:39,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-02-06 14:11:39,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2025-02-06 14:11:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:11:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2025-02-06 14:11:39,870 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2025-02-06 14:11:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:39,870 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2025-02-06 14:11:39,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2025-02-06 14:11:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:11:39,871 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:39,871 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:39,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:11:40,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 14:11:40,075 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:40,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:40,075 INFO L85 PathProgramCache]: Analyzing trace with hash -414632454, now seen corresponding path program 1 times [2025-02-06 14:11:40,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:40,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459462502] [2025-02-06 14:11:40,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:40,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:11:40,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:11:40,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:40,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:40,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033799123] [2025-02-06 14:11:40,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:40,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:40,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:40,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:11:40,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:11:40,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:11:40,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:40,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:40,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:40,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:40,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:40,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:40,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459462502] [2025-02-06 14:11:40,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:40,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033799123] [2025-02-06 14:11:40,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033799123] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:40,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:40,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-06 14:11:40,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8699495] [2025-02-06 14:11:40,232 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:40,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:40,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:40,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:40,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:40,233 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:40,302 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2025-02-06 14:11:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:40,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2025-02-06 14:11:40,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:40,303 INFO L225 Difference]: With dead ends: 281 [2025-02-06 14:11:40,303 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 14:11:40,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:40,304 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:40,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:40,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 14:11:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2025-02-06 14:11:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 14:11:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2025-02-06 14:11:40,318 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2025-02-06 14:11:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:40,318 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2025-02-06 14:11:40,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2025-02-06 14:11:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:11:40,319 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:40,319 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:40,325 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 14:11:40,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 14:11:40,520 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:40,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:40,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1222822311, now seen corresponding path program 1 times [2025-02-06 14:11:40,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:40,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772138588] [2025-02-06 14:11:40,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:40,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:11:40,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:11:40,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:40,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:40,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:40,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772138588] [2025-02-06 14:11:40,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772138588] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:40,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:40,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:40,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429527416] [2025-02-06 14:11:40,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:40,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:40,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:40,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:40,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:40,574 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:40,677 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2025-02-06 14:11:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:40,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2025-02-06 14:11:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:40,679 INFO L225 Difference]: With dead ends: 256 [2025-02-06 14:11:40,679 INFO L226 Difference]: Without dead ends: 239 [2025-02-06 14:11:40,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:40,680 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:40,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 134 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:40,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-02-06 14:11:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2025-02-06 14:11:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 14:11:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2025-02-06 14:11:40,696 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2025-02-06 14:11:40,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:40,696 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2025-02-06 14:11:40,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2025-02-06 14:11:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 14:11:40,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:40,697 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:40,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 14:11:40,697 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:40,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:40,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1177873301, now seen corresponding path program 1 times [2025-02-06 14:11:40,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:40,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941826274] [2025-02-06 14:11:40,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:40,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:40,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:11:40,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:11:40,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:40,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:40,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941826274] [2025-02-06 14:11:40,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941826274] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:40,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765279964] [2025-02-06 14:11:40,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:40,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:40,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:40,753 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:40,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:11:40,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:11:40,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:11:40,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:40,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:40,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:40,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:40,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765279964] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:40,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 14:11:40,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241568115] [2025-02-06 14:11:40,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:40,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:40,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:40,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:40,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:40,907 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:41,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:41,039 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2025-02-06 14:11:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:41,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2025-02-06 14:11:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:41,041 INFO L225 Difference]: With dead ends: 364 [2025-02-06 14:11:41,041 INFO L226 Difference]: Without dead ends: 362 [2025-02-06 14:11:41,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 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 14:11:41,042 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 127 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:41,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 252 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-06 14:11:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2025-02-06 14:11:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2025-02-06 14:11:41,068 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2025-02-06 14:11:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:41,069 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2025-02-06 14:11:41,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2025-02-06 14:11:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:11:41,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:41,070 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:41,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:11:41,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:41,270 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:41,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash 2140595625, now seen corresponding path program 1 times [2025-02-06 14:11:41,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:41,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498134232] [2025-02-06 14:11:41,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:41,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:41,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:41,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:41,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498134232] [2025-02-06 14:11:41,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498134232] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317579242] [2025-02-06 14:11:41,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:41,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:41,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:11:41,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:41,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:41,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:41,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:41,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:41,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:41,491 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:11:41,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:41,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317579242] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:41,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:41,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-02-06 14:11:41,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728457444] [2025-02-06 14:11:41,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:41,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:11:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:41,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:11:41,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:41,625 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:41,851 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2025-02-06 14:11:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:11:41,852 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2025-02-06 14:11:41,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:41,853 INFO L225 Difference]: With dead ends: 346 [2025-02-06 14:11:41,853 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 14:11:41,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:11:41,854 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 104 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:41,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 552 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 14:11:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2025-02-06 14:11:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2025-02-06 14:11:41,877 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2025-02-06 14:11:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:41,877 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2025-02-06 14:11:41,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2025-02-06 14:11:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 14:11:41,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:41,878 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:41,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:42,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:11:42,079 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:42,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1253454012, now seen corresponding path program 1 times [2025-02-06 14:11:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953935455] [2025-02-06 14:11:42,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:42,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:11:42,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:11:42,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:42,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:42,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1539345249] [2025-02-06 14:11:42,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:42,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:42,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:42,094 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:42,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:11:42,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:11:42,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:11:42,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:42,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:42,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:11:42,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:42,295 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:42,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:42,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953935455] [2025-02-06 14:11:42,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:42,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539345249] [2025-02-06 14:11:42,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539345249] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:42,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:11:42,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:11:42,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113447769] [2025-02-06 14:11:42,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:42,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:11:42,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:42,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:11:42,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:42,418 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:42,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:42,870 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2025-02-06 14:11:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:42,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2025-02-06 14:11:42,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:42,873 INFO L225 Difference]: With dead ends: 367 [2025-02-06 14:11:42,873 INFO L226 Difference]: Without dead ends: 361 [2025-02-06 14:11:42,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:42,874 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 268 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:42,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 212 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:11:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-06 14:11:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2025-02-06 14:11:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2025-02-06 14:11:42,900 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2025-02-06 14:11:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:42,900 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2025-02-06 14:11:42,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2025-02-06 14:11:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 14:11:42,901 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:42,901 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:42,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:11:43,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:11:43,106 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:43,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:43,107 INFO L85 PathProgramCache]: Analyzing trace with hash -289323777, now seen corresponding path program 1 times [2025-02-06 14:11:43,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:43,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284507458] [2025-02-06 14:11:43,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:43,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:11:43,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:11:43,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:43,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:43,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:43,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284507458] [2025-02-06 14:11:43,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284507458] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:43,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933954881] [2025-02-06 14:11:43,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:43,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:43,193 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:43,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:11:43,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:11:43,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:11:43,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:43,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:43,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:43,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:11:43,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:43,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933954881] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:43,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:43,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2025-02-06 14:11:43,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915043549] [2025-02-06 14:11:43,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:43,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:11:43,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:43,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:11:43,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:43,402 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:43,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:43,598 INFO L93 Difference]: Finished difference Result 488 states and 640 transitions. [2025-02-06 14:11:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:11:43,604 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2025-02-06 14:11:43,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:43,605 INFO L225 Difference]: With dead ends: 488 [2025-02-06 14:11:43,605 INFO L226 Difference]: Without dead ends: 338 [2025-02-06 14:11:43,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:11:43,606 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 54 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:43,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 422 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-06 14:11:43,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 331. [2025-02-06 14:11:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 290 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 431 transitions. [2025-02-06 14:11:43,627 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 431 transitions. Word has length 68 [2025-02-06 14:11:43,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:43,628 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 431 transitions. [2025-02-06 14:11:43,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 12 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:43,628 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 431 transitions. [2025-02-06 14:11:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 14:11:43,628 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:43,628 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 14:11:43,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 14:11:43,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:43,833 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:43,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:43,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1125520865, now seen corresponding path program 2 times [2025-02-06 14:11:43,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:43,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391312036] [2025-02-06 14:11:43,834 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:43,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:43,838 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-06 14:11:43,846 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:11:43,846 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:43,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:43,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354666880] [2025-02-06 14:11:43,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:43,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:43,848 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:43,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:11:43,871 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-06 14:11:43,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:11:43,886 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:43,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:43,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:43,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:43,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:43,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391312036] [2025-02-06 14:11:43,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:43,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354666880] [2025-02-06 14:11:43,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354666880] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:43,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:43,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:11:43,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515731878] [2025-02-06 14:11:43,967 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:43,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:43,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:43,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:43,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:43,968 INFO L87 Difference]: Start difference. First operand 331 states and 431 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:44,059 INFO L93 Difference]: Finished difference Result 480 states and 615 transitions. [2025-02-06 14:11:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:44,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-02-06 14:11:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:44,062 INFO L225 Difference]: With dead ends: 480 [2025-02-06 14:11:44,062 INFO L226 Difference]: Without dead ends: 476 [2025-02-06 14:11:44,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 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 14:11:44,062 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 117 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:44,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 224 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-02-06 14:11:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 362. [2025-02-06 14:11:44,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 298 states have (on average 1.325503355704698) internal successors, (395), 317 states have internal predecessors, (395), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 14:11:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 469 transitions. [2025-02-06 14:11:44,106 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 469 transitions. Word has length 72 [2025-02-06 14:11:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:44,106 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 469 transitions. [2025-02-06 14:11:44,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 469 transitions. [2025-02-06 14:11:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 14:11:44,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:44,107 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:44,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:44,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:44,308 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:44,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash 295959034, now seen corresponding path program 1 times [2025-02-06 14:11:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:44,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942961578] [2025-02-06 14:11:44,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:44,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 14:11:44,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 14:11:44,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:44,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:44,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942961578] [2025-02-06 14:11:44,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942961578] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:44,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:44,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:44,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913362052] [2025-02-06 14:11:44,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:44,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:44,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:44,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:44,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:44,349 INFO L87 Difference]: Start difference. First operand 362 states and 469 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:44,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:44,401 INFO L93 Difference]: Finished difference Result 362 states and 469 transitions. [2025-02-06 14:11:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:44,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2025-02-06 14:11:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:44,403 INFO L225 Difference]: With dead ends: 362 [2025-02-06 14:11:44,403 INFO L226 Difference]: Without dead ends: 361 [2025-02-06 14:11:44,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:44,404 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:44,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:44,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-06 14:11:44,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-02-06 14:11:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 316 states have internal predecessors, (391), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 14:11:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 465 transitions. [2025-02-06 14:11:44,423 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 465 transitions. Word has length 79 [2025-02-06 14:11:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:44,423 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 465 transitions. [2025-02-06 14:11:44,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 465 transitions. [2025-02-06 14:11:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 14:11:44,423 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:44,424 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:44,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 14:11:44,424 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:44,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash 584795449, now seen corresponding path program 1 times [2025-02-06 14:11:44,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:44,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129011681] [2025-02-06 14:11:44,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:44,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:44,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 14:11:44,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 14:11:44,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:44,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:44,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129011681] [2025-02-06 14:11:44,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129011681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:44,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:44,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:44,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907894924] [2025-02-06 14:11:44,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:44,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:44,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:44,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:44,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:44,535 INFO L87 Difference]: Start difference. First operand 361 states and 465 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:44,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:44,736 INFO L93 Difference]: Finished difference Result 561 states and 750 transitions. [2025-02-06 14:11:44,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:44,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2025-02-06 14:11:44,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:44,738 INFO L225 Difference]: With dead ends: 561 [2025-02-06 14:11:44,739 INFO L226 Difference]: Without dead ends: 560 [2025-02-06 14:11:44,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:44,740 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 125 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:44,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 222 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:44,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2025-02-06 14:11:44,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 499. [2025-02-06 14:11:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 422 states have (on average 1.3696682464454977) internal successors, (578), 440 states have internal predecessors, (578), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:11:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 680 transitions. [2025-02-06 14:11:44,766 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 680 transitions. Word has length 80 [2025-02-06 14:11:44,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:44,766 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 680 transitions. [2025-02-06 14:11:44,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:11:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 680 transitions. [2025-02-06 14:11:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 14:11:44,767 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:44,767 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:44,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 14:11:44,767 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:44,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:44,768 INFO L85 PathProgramCache]: Analyzing trace with hash 948789720, now seen corresponding path program 1 times [2025-02-06 14:11:44,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:44,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419787612] [2025-02-06 14:11:44,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:44,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:44,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:11:44,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:44,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:44,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:44,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419787612] [2025-02-06 14:11:44,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419787612] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214918279] [2025-02-06 14:11:44,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:44,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:44,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:44,892 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:44,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:11:44,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:11:44,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:44,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:44,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:44,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:44,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:45,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:45,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214918279] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:45,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:45,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:11:45,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696431319] [2025-02-06 14:11:45,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:45,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:45,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:45,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:45,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:45,058 INFO L87 Difference]: Start difference. First operand 499 states and 680 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:45,193 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2025-02-06 14:11:45,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:45,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2025-02-06 14:11:45,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:45,195 INFO L225 Difference]: With dead ends: 544 [2025-02-06 14:11:45,195 INFO L226 Difference]: Without dead ends: 543 [2025-02-06 14:11:45,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:45,196 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 101 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:45,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 125 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-06 14:11:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 511. [2025-02-06 14:11:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 434 states have (on average 1.359447004608295) internal successors, (590), 452 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:11:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 692 transitions. [2025-02-06 14:11:45,230 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 692 transitions. Word has length 81 [2025-02-06 14:11:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:45,230 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 692 transitions. [2025-02-06 14:11:45,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 692 transitions. [2025-02-06 14:11:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:11:45,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:45,231 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:45,237 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 14:11:45,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:45,436 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:45,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash -652289769, now seen corresponding path program 1 times [2025-02-06 14:11:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:45,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975517296] [2025-02-06 14:11:45,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:45,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:11:45,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:11:45,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:45,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:45,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:45,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975517296] [2025-02-06 14:11:45,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975517296] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:45,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793926135] [2025-02-06 14:11:45,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:45,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:45,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:45,548 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:45,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:11:45,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:11:45,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:11:45,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:45,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:45,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:45,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:45,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:45,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793926135] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:45,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:45,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-06 14:11:45,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994539910] [2025-02-06 14:11:45,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:45,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:45,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:45,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:45,688 INFO L87 Difference]: Start difference. First operand 511 states and 692 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:45,833 INFO L93 Difference]: Finished difference Result 526 states and 705 transitions. [2025-02-06 14:11:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:45,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2025-02-06 14:11:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:45,836 INFO L225 Difference]: With dead ends: 526 [2025-02-06 14:11:45,836 INFO L226 Difference]: Without dead ends: 524 [2025-02-06 14:11:45,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:45,836 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:45,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:45,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2025-02-06 14:11:45,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 515. [2025-02-06 14:11:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 438 states have (on average 1.3470319634703196) internal successors, (590), 456 states have internal predecessors, (590), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:11:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 692 transitions. [2025-02-06 14:11:45,885 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 692 transitions. Word has length 82 [2025-02-06 14:11:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:45,885 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 692 transitions. [2025-02-06 14:11:45,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 692 transitions. [2025-02-06 14:11:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 14:11:45,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:45,886 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:45,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:11:46,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:46,087 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:46,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1985215914, now seen corresponding path program 1 times [2025-02-06 14:11:46,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:46,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781741237] [2025-02-06 14:11:46,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:46,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:46,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 14:11:46,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 14:11:46,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:46,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 14:11:46,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781741237] [2025-02-06 14:11:46,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781741237] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288978498] [2025-02-06 14:11:46,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:46,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:46,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:46,192 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:46,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:11:46,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 14:11:46,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 14:11:46,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:46,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:46,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:11:46,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:11:46,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 14:11:46,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288978498] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:46,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:46,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 13 [2025-02-06 14:11:46,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51136074] [2025-02-06 14:11:46,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:46,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:11:46,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:46,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:11:46,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:46,431 INFO L87 Difference]: Start difference. First operand 515 states and 692 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 14:11:46,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:46,637 INFO L93 Difference]: Finished difference Result 551 states and 728 transitions. [2025-02-06 14:11:46,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:11:46,638 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 86 [2025-02-06 14:11:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:46,640 INFO L225 Difference]: With dead ends: 551 [2025-02-06 14:11:46,640 INFO L226 Difference]: Without dead ends: 539 [2025-02-06 14:11:46,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 164 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:11:46,641 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 62 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:46,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 495 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:46,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-02-06 14:11:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 529. [2025-02-06 14:11:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 451 states have (on average 1.334811529933481) internal successors, (602), 469 states have internal predecessors, (602), 51 states have call successors, (51), 8 states have call predecessors, (51), 8 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:11:46,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 704 transitions. [2025-02-06 14:11:46,698 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 704 transitions. Word has length 86 [2025-02-06 14:11:46,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:46,698 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 704 transitions. [2025-02-06 14:11:46,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2025-02-06 14:11:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 704 transitions. [2025-02-06 14:11:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 14:11:46,700 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:46,700 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:46,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:46,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 14:11:46,901 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:46,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1647431908, now seen corresponding path program 1 times [2025-02-06 14:11:46,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:46,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738630374] [2025-02-06 14:11:46,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:46,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:46,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 14:11:46,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 14:11:46,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:46,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711600243] [2025-02-06 14:11:46,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:46,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:46,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:46,939 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:46,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:11:46,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 14:11:46,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 14:11:46,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:46,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:46,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:46,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:47,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:47,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:47,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738630374] [2025-02-06 14:11:47,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:47,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711600243] [2025-02-06 14:11:47,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711600243] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:47,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:47,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:47,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011745066] [2025-02-06 14:11:47,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:47,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:47,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:47,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:47,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:47,887 INFO L87 Difference]: Start difference. First operand 529 states and 704 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:48,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:48,238 INFO L93 Difference]: Finished difference Result 598 states and 796 transitions. [2025-02-06 14:11:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:11:48,239 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2025-02-06 14:11:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:48,241 INFO L225 Difference]: With dead ends: 598 [2025-02-06 14:11:48,241 INFO L226 Difference]: Without dead ends: 597 [2025-02-06 14:11:48,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:48,242 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:48,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 326 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:48,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-02-06 14:11:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 569. [2025-02-06 14:11:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 487 states have (on average 1.3305954825462012) internal successors, (648), 505 states have internal predecessors, (648), 55 states have call successors, (55), 8 states have call predecessors, (55), 8 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:11:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 758 transitions. [2025-02-06 14:11:48,277 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 758 transitions. Word has length 87 [2025-02-06 14:11:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:48,277 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 758 transitions. [2025-02-06 14:11:48,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 758 transitions. [2025-02-06 14:11:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 14:11:48,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:48,278 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:48,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:48,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:11:48,479 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:48,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash 469218417, now seen corresponding path program 1 times [2025-02-06 14:11:48,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:48,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436830935] [2025-02-06 14:11:48,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:48,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:11:48,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:11:48,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:48,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:48,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470550615] [2025-02-06 14:11:48,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:48,498 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:48,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:11:48,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:11:48,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:11:48,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:48,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:48,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:48,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:48,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:49,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:49,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436830935] [2025-02-06 14:11:49,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:49,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470550615] [2025-02-06 14:11:49,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470550615] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:49,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:49,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:49,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682995539] [2025-02-06 14:11:49,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:49,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:49,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:49,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:49,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:49,056 INFO L87 Difference]: Start difference. First operand 569 states and 758 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:49,348 INFO L93 Difference]: Finished difference Result 625 states and 836 transitions. [2025-02-06 14:11:49,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:49,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2025-02-06 14:11:49,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:49,350 INFO L225 Difference]: With dead ends: 625 [2025-02-06 14:11:49,350 INFO L226 Difference]: Without dead ends: 624 [2025-02-06 14:11:49,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:49,350 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 53 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:49,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 322 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:49,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2025-02-06 14:11:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 609. [2025-02-06 14:11:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 523 states have (on average 1.3269598470363289) internal successors, (694), 541 states have internal predecessors, (694), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 812 transitions. [2025-02-06 14:11:49,382 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 812 transitions. Word has length 88 [2025-02-06 14:11:49,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:49,382 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 812 transitions. [2025-02-06 14:11:49,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 812 transitions. [2025-02-06 14:11:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 14:11:49,383 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:49,383 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:49,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:49,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:49,588 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:49,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:49,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1660869050, now seen corresponding path program 1 times [2025-02-06 14:11:49,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:49,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550958423] [2025-02-06 14:11:49,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:49,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:49,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 14:11:49,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 14:11:49,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:49,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:49,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550958423] [2025-02-06 14:11:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550958423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:49,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:49,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:11:49,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088923796] [2025-02-06 14:11:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:49,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:49,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:49,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:49,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:49,649 INFO L87 Difference]: Start difference. First operand 609 states and 812 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:49,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:49,807 INFO L93 Difference]: Finished difference Result 614 states and 819 transitions. [2025-02-06 14:11:49,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:49,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2025-02-06 14:11:49,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:49,810 INFO L225 Difference]: With dead ends: 614 [2025-02-06 14:11:49,810 INFO L226 Difference]: Without dead ends: 613 [2025-02-06 14:11:49,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:49,811 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:49,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:49,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2025-02-06 14:11:49,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 608. [2025-02-06 14:11:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 523 states have (on average 1.311663479923518) internal successors, (686), 540 states have internal predecessors, (686), 59 states have call successors, (59), 8 states have call predecessors, (59), 8 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 804 transitions. [2025-02-06 14:11:49,844 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 804 transitions. Word has length 89 [2025-02-06 14:11:49,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:49,844 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 804 transitions. [2025-02-06 14:11:49,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 804 transitions. [2025-02-06 14:11:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 14:11:49,847 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:49,847 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:49,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-06 14:11:49,847 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:49,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash -52666993, now seen corresponding path program 1 times [2025-02-06 14:11:49,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:49,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519140190] [2025-02-06 14:11:49,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:49,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:11:49,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:11:49,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:49,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920874473] [2025-02-06 14:11:49,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:49,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:49,868 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:49,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:11:49,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:11:49,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:11:49,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:49,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:49,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:11:49,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:50,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:53,182 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:53,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:53,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519140190] [2025-02-06 14:11:53,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:53,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920874473] [2025-02-06 14:11:53,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920874473] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:53,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:11:53,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-06 14:11:53,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496092666] [2025-02-06 14:11:53,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:53,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:11:53,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:53,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:11:53,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:11:53,184 INFO L87 Difference]: Start difference. First operand 608 states and 804 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:11:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:58,295 INFO L93 Difference]: Finished difference Result 777 states and 1036 transitions. [2025-02-06 14:11:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-06 14:11:58,295 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2025-02-06 14:11:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:58,297 INFO L225 Difference]: With dead ends: 777 [2025-02-06 14:11:58,297 INFO L226 Difference]: Without dead ends: 627 [2025-02-06 14:11:58,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 14:11:58,301 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 325 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:58,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 404 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-02-06 14:11:58,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2025-02-06 14:11:58,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 563. [2025-02-06 14:11:58,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 484 states have (on average 1.3243801652892562) internal successors, (641), 501 states have internal predecessors, (641), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-02-06 14:11:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 747 transitions. [2025-02-06 14:11:58,353 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 747 transitions. Word has length 90 [2025-02-06 14:11:58,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:58,354 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 747 transitions. [2025-02-06 14:11:58,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:11:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 747 transitions. [2025-02-06 14:11:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 14:11:58,355 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:58,355 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 14:11:58,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:58,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:11:58,559 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:58,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash 319359492, now seen corresponding path program 3 times [2025-02-06 14:11:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:58,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771359188] [2025-02-06 14:11:58,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:58,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 6 equivalence classes. [2025-02-06 14:11:58,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:11:58,580 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 14:11:58,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:58,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322146607] [2025-02-06 14:11:58,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:58,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:58,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:58,582 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:58,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:11:58,605 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 6 equivalence classes. [2025-02-06 14:11:58,638 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 55 of 98 statements. [2025-02-06 14:11:58,638 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 14:11:58,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:58,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:11:58,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2025-02-06 14:11:58,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:58,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:58,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771359188] [2025-02-06 14:11:58,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:58,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322146607] [2025-02-06 14:11:58,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322146607] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:58,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:58,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:11:58,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940219427] [2025-02-06 14:11:58,962 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:58,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:11:58,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:58,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:11:58,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:58,963 INFO L87 Difference]: Start difference. First operand 563 states and 747 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:11:59,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:59,999 INFO L93 Difference]: Finished difference Result 605 states and 784 transitions. [2025-02-06 14:12:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:12:00,002 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 98 [2025-02-06 14:12:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:00,007 INFO L225 Difference]: With dead ends: 605 [2025-02-06 14:12:00,008 INFO L226 Difference]: Without dead ends: 601 [2025-02-06 14:12:00,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:12:00,009 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 171 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:00,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 323 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 14:12:00,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-02-06 14:12:00,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 560. [2025-02-06 14:12:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 484 states have (on average 1.2913223140495869) internal successors, (625), 498 states have internal predecessors, (625), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-02-06 14:12:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 731 transitions. [2025-02-06 14:12:00,046 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 731 transitions. Word has length 98 [2025-02-06 14:12:00,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:00,047 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 731 transitions. [2025-02-06 14:12:00,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:12:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 731 transitions. [2025-02-06 14:12:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 14:12:00,048 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:00,049 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:00,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:12:00,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:00,250 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:00,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1461303417, now seen corresponding path program 1 times [2025-02-06 14:12:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:00,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911342662] [2025-02-06 14:12:00,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:00,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 14:12:00,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 14:12:00,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:00,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:00,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14206667] [2025-02-06 14:12:00,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:00,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:00,273 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:00,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:12:00,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 14:12:00,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 14:12:00,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:00,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:00,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:12:00,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:12:00,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:00,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:00,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911342662] [2025-02-06 14:12:00,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:00,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14206667] [2025-02-06 14:12:00,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14206667] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:00,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:00,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:12:00,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205844416] [2025-02-06 14:12:00,964 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:00,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:12:00,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:00,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:12:00,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:12:00,965 INFO L87 Difference]: Start difference. First operand 560 states and 731 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 14:12:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:01,192 INFO L93 Difference]: Finished difference Result 565 states and 738 transitions. [2025-02-06 14:12:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:12:01,193 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2025-02-06 14:12:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:01,195 INFO L225 Difference]: With dead ends: 565 [2025-02-06 14:12:01,195 INFO L226 Difference]: Without dead ends: 564 [2025-02-06 14:12:01,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:12:01,196 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 29 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:01,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 278 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:12:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-06 14:12:01,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 561. [2025-02-06 14:12:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 485 states have (on average 1.2907216494845362) internal successors, (626), 499 states have internal predecessors, (626), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-02-06 14:12:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 732 transitions. [2025-02-06 14:12:01,265 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 732 transitions. Word has length 104 [2025-02-06 14:12:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:01,265 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 732 transitions. [2025-02-06 14:12:01,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 14:12:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 732 transitions. [2025-02-06 14:12:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 14:12:01,266 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:01,266 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:01,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:01,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:01,467 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:01,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:01,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1944234350, now seen corresponding path program 1 times [2025-02-06 14:12:01,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:01,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337860904] [2025-02-06 14:12:01,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:01,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:01,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 14:12:01,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 14:12:01,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:01,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:01,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701706220] [2025-02-06 14:12:01,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:01,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:01,505 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:01,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:12:01,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 14:12:01,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 14:12:01,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:01,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:01,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 14:12:01,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-06 14:12:02,132 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:03,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:03,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337860904] [2025-02-06 14:12:03,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:03,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701706220] [2025-02-06 14:12:03,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701706220] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:03,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:03,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:12:03,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078412765] [2025-02-06 14:12:03,145 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:03,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:12:03,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:03,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:12:03,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:12:03,146 INFO L87 Difference]: Start difference. First operand 561 states and 732 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 14:12:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:03,619 INFO L93 Difference]: Finished difference Result 571 states and 743 transitions. [2025-02-06 14:12:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:12:03,624 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 105 [2025-02-06 14:12:03,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:03,625 INFO L225 Difference]: With dead ends: 571 [2025-02-06 14:12:03,625 INFO L226 Difference]: Without dead ends: 570 [2025-02-06 14:12:03,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:12:03,626 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 30 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:03,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 432 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:12:03,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2025-02-06 14:12:03,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2025-02-06 14:12:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 486 states have (on average 1.2901234567901234) internal successors, (627), 500 states have internal predecessors, (627), 53 states have call successors, (53), 8 states have call predecessors, (53), 8 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-02-06 14:12:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 733 transitions. [2025-02-06 14:12:03,664 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 733 transitions. Word has length 105 [2025-02-06 14:12:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:03,664 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 733 transitions. [2025-02-06 14:12:03,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 14:12:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 733 transitions. [2025-02-06 14:12:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 14:12:03,665 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:03,665 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-02-06 14:12:03,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:03,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:03,868 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:03,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:03,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1900902547, now seen corresponding path program 1 times [2025-02-06 14:12:03,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:03,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770939875] [2025-02-06 14:12:03,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:03,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:03,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:12:03,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:12:03,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:03,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:12:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770939875] [2025-02-06 14:12:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770939875] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927409934] [2025-02-06 14:12:03,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:03,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:03,943 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:03,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:12:03,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:12:03,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:12:03,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:03,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:03,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:12:03,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:12:04,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:12:04,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927409934] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:12:04,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:12:04,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:12:04,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96306793] [2025-02-06 14:12:04,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:04,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:12:04,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:04,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:12:04,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:12:04,148 INFO L87 Difference]: Start difference. First operand 562 states and 733 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:12:04,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:04,353 INFO L93 Difference]: Finished difference Result 1227 states and 1589 transitions. [2025-02-06 14:12:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:12:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2025-02-06 14:12:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:04,356 INFO L225 Difference]: With dead ends: 1227 [2025-02-06 14:12:04,356 INFO L226 Difference]: Without dead ends: 1225 [2025-02-06 14:12:04,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:12:04,357 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 541 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:04,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 406 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:12:04,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2025-02-06 14:12:04,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 649. [2025-02-06 14:12:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 557 states have (on average 1.2800718132854578) internal successors, (713), 571 states have internal predecessors, (713), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-02-06 14:12:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 851 transitions. [2025-02-06 14:12:04,401 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 851 transitions. Word has length 108 [2025-02-06 14:12:04,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:04,401 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 851 transitions. [2025-02-06 14:12:04,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:12:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 851 transitions. [2025-02-06 14:12:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-06 14:12:04,402 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:04,402 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:04,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 14:12:04,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 14:12:04,606 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:04,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash -141722729, now seen corresponding path program 1 times [2025-02-06 14:12:04,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:04,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682320486] [2025-02-06 14:12:04,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:04,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:04,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-06 14:12:04,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-06 14:12:04,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:04,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:12:04,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:04,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682320486] [2025-02-06 14:12:04,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682320486] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:12:04,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:12:04,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:12:04,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968520442] [2025-02-06 14:12:04,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:12:04,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:12:04,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:04,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:12:04,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:12:04,677 INFO L87 Difference]: Start difference. First operand 649 states and 851 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:12:04,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:04,796 INFO L93 Difference]: Finished difference Result 649 states and 851 transitions. [2025-02-06 14:12:04,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:12:04,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2025-02-06 14:12:04,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:04,798 INFO L225 Difference]: With dead ends: 649 [2025-02-06 14:12:04,798 INFO L226 Difference]: Without dead ends: 648 [2025-02-06 14:12:04,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:12:04,799 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 56 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:04,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 140 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:12:04,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2025-02-06 14:12:04,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 645. [2025-02-06 14:12:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 554 states have (on average 1.279783393501805) internal successors, (709), 567 states have internal predecessors, (709), 69 states have call successors, (69), 8 states have call predecessors, (69), 8 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-02-06 14:12:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 847 transitions. [2025-02-06 14:12:04,840 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 847 transitions. Word has length 106 [2025-02-06 14:12:04,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:04,840 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 847 transitions. [2025-02-06 14:12:04,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:12:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 847 transitions. [2025-02-06 14:12:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 14:12:04,842 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:04,843 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:04,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-06 14:12:04,843 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:04,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:04,843 INFO L85 PathProgramCache]: Analyzing trace with hash -98437328, now seen corresponding path program 1 times [2025-02-06 14:12:04,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:04,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239152138] [2025-02-06 14:12:04,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:04,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:04,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 14:12:04,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 14:12:04,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:04,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:04,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184970828] [2025-02-06 14:12:04,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:04,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:04,866 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:04,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:12:04,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 14:12:04,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 14:12:04,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:04,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:04,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:12:04,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:12:05,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:17,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:17,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239152138] [2025-02-06 14:12:17,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:17,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184970828] [2025-02-06 14:12:17,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184970828] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:17,395 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:17,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:12:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343631796] [2025-02-06 14:12:17,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:17,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:12:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:17,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:12:17,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90 [2025-02-06 14:12:17,396 INFO L87 Difference]: Start difference. First operand 645 states and 847 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:12:17,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:17,735 INFO L93 Difference]: Finished difference Result 739 states and 988 transitions. [2025-02-06 14:12:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:12:17,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2025-02-06 14:12:17,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:17,737 INFO L225 Difference]: With dead ends: 739 [2025-02-06 14:12:17,738 INFO L226 Difference]: Without dead ends: 730 [2025-02-06 14:12:17,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90 [2025-02-06 14:12:17,738 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 17 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:17,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 205 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:12:17,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2025-02-06 14:12:17,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 674. [2025-02-06 14:12:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 579 states have (on average 1.302245250431779) internal successors, (754), 592 states have internal predecessors, (754), 73 states have call successors, (73), 8 states have call predecessors, (73), 8 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-06 14:12:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 900 transitions. [2025-02-06 14:12:17,781 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 900 transitions. Word has length 107 [2025-02-06 14:12:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:17,782 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 900 transitions. [2025-02-06 14:12:17,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:12:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 900 transitions. [2025-02-06 14:12:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 14:12:17,783 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:17,783 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:17,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:12:17,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 14:12:17,988 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:17,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1986707460, now seen corresponding path program 1 times [2025-02-06 14:12:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:17,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190697234] [2025-02-06 14:12:17,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:17,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 14:12:18,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 14:12:18,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:18,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:12:18,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:18,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190697234] [2025-02-06 14:12:18,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190697234] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:18,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251887776] [2025-02-06 14:12:18,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:18,156 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:18,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:12:18,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 14:12:18,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 14:12:18,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:18,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:18,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:12:18,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:12:18,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:18,364 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:12:18,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251887776] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:12:18,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:12:18,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-02-06 14:12:18,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299877581] [2025-02-06 14:12:18,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:18,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:12:18,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:18,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:12:18,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:12:18,367 INFO L87 Difference]: Start difference. First operand 674 states and 900 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-06 14:12:19,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:19,025 INFO L93 Difference]: Finished difference Result 1157 states and 1568 transitions. [2025-02-06 14:12:19,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:12:19,026 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2025-02-06 14:12:19,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:19,029 INFO L225 Difference]: With dead ends: 1157 [2025-02-06 14:12:19,029 INFO L226 Difference]: Without dead ends: 991 [2025-02-06 14:12:19,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:12:19,031 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 254 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:19,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 499 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:12:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2025-02-06 14:12:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 662. [2025-02-06 14:12:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 568 states have (on average 1.3345070422535212) internal successors, (758), 581 states have internal predecessors, (758), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-06 14:12:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 904 transitions. [2025-02-06 14:12:19,076 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 904 transitions. Word has length 110 [2025-02-06 14:12:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:19,076 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 904 transitions. [2025-02-06 14:12:19,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-06 14:12:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 904 transitions. [2025-02-06 14:12:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 14:12:19,078 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:19,078 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:19,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:12:19,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 14:12:19,279 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:19,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:19,279 INFO L85 PathProgramCache]: Analyzing trace with hash -685201257, now seen corresponding path program 2 times [2025-02-06 14:12:19,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:19,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760451434] [2025-02-06 14:12:19,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:12:19,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:19,284 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 14:12:19,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 14:12:19,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:12:19,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:19,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140842683] [2025-02-06 14:12:19,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:12:19,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:19,304 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:19,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:12:19,327 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 14:12:19,352 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 14:12:19,352 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:12:19,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:19,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:12:19,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 14:12:19,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:19,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760451434] [2025-02-06 14:12:19,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140842683] [2025-02-06 14:12:19,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140842683] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:19,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:19,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:12:19,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701135869] [2025-02-06 14:12:19,957 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:19,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:12:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:19,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:12:19,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:12:19,958 INFO L87 Difference]: Start difference. First operand 662 states and 904 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:12:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:20,188 INFO L93 Difference]: Finished difference Result 1110 states and 1545 transitions. [2025-02-06 14:12:20,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:12:20,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2025-02-06 14:12:20,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:20,191 INFO L225 Difference]: With dead ends: 1110 [2025-02-06 14:12:20,191 INFO L226 Difference]: Without dead ends: 1104 [2025-02-06 14:12:20,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:12:20,192 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 106 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:20,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 254 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:12:20,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2025-02-06 14:12:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 765. [2025-02-06 14:12:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 661 states have (on average 1.264750378214826) internal successors, (836), 672 states have internal predecessors, (836), 85 states have call successors, (85), 7 states have call predecessors, (85), 7 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:12:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1006 transitions. [2025-02-06 14:12:20,244 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1006 transitions. Word has length 113 [2025-02-06 14:12:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:20,244 INFO L471 AbstractCegarLoop]: Abstraction has 765 states and 1006 transitions. [2025-02-06 14:12:20,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:12:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1006 transitions. [2025-02-06 14:12:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-06 14:12:20,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:20,245 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:20,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 14:12:20,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:12:20,446 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:20,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:20,446 INFO L85 PathProgramCache]: Analyzing trace with hash 233597526, now seen corresponding path program 2 times [2025-02-06 14:12:20,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:20,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590156339] [2025-02-06 14:12:20,447 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:12:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:20,454 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-06 14:12:20,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 14:12:20,464 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:12:20,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:20,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113929690] [2025-02-06 14:12:20,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:12:20,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:20,466 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:20,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:12:20,496 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-06 14:12:20,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 14:12:20,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:12:20,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:20,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:12:20,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 14:12:20,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:21,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590156339] [2025-02-06 14:12:21,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:21,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113929690] [2025-02-06 14:12:21,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113929690] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:21,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:21,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:12:21,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759005944] [2025-02-06 14:12:21,060 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:21,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:12:21,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:21,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:12:21,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:12:21,061 INFO L87 Difference]: Start difference. First operand 765 states and 1006 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:12:21,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:21,246 INFO L93 Difference]: Finished difference Result 1000 states and 1309 transitions. [2025-02-06 14:12:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:12:21,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2025-02-06 14:12:21,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:21,249 INFO L225 Difference]: With dead ends: 1000 [2025-02-06 14:12:21,249 INFO L226 Difference]: Without dead ends: 845 [2025-02-06 14:12:21,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:12:21,251 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 106 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:21,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 249 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:12:21,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2025-02-06 14:12:21,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 828. [2025-02-06 14:12:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 716 states have (on average 1.2569832402234637) internal successors, (900), 727 states have internal predecessors, (900), 93 states have call successors, (93), 7 states have call predecessors, (93), 7 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 14:12:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1086 transitions. [2025-02-06 14:12:21,323 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1086 transitions. Word has length 114 [2025-02-06 14:12:21,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:21,323 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1086 transitions. [2025-02-06 14:12:21,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:12:21,323 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1086 transitions. [2025-02-06 14:12:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 14:12:21,324 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:21,324 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:21,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-06 14:12:21,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:12:21,525 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:21,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:21,526 INFO L85 PathProgramCache]: Analyzing trace with hash -651826470, now seen corresponding path program 2 times [2025-02-06 14:12:21,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:21,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060795141] [2025-02-06 14:12:21,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:12:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:21,532 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 133 statements into 2 equivalence classes. [2025-02-06 14:12:21,534 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 133 statements. [2025-02-06 14:12:21,534 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:12:21,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-02-06 14:12:21,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:21,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060795141] [2025-02-06 14:12:21,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060795141] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:12:21,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:12:21,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:12:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643604283] [2025-02-06 14:12:21,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:12:21,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:12:21,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:21,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:12:21,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:12:21,582 INFO L87 Difference]: Start difference. First operand 828 states and 1086 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:12:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:21,667 INFO L93 Difference]: Finished difference Result 829 states and 1086 transitions. [2025-02-06 14:12:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:12:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 133 [2025-02-06 14:12:21,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:21,670 INFO L225 Difference]: With dead ends: 829 [2025-02-06 14:12:21,670 INFO L226 Difference]: Without dead ends: 828 [2025-02-06 14:12:21,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:12:21,671 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 21 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:21,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 209 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:12:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2025-02-06 14:12:21,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2025-02-06 14:12:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 716 states have (on average 1.2541899441340782) internal successors, (898), 727 states have internal predecessors, (898), 93 states have call successors, (93), 7 states have call predecessors, (93), 7 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 14:12:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1084 transitions. [2025-02-06 14:12:21,728 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1084 transitions. Word has length 133 [2025-02-06 14:12:21,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:21,729 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1084 transitions. [2025-02-06 14:12:21,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:12:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1084 transitions. [2025-02-06 14:12:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 14:12:21,729 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:21,730 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:21,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-02-06 14:12:21,730 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:21,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:21,730 INFO L85 PathProgramCache]: Analyzing trace with hash 563493327, now seen corresponding path program 1 times [2025-02-06 14:12:21,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:21,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2858812] [2025-02-06 14:12:21,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:21,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 14:12:21,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 14:12:21,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:21,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:21,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2858812] [2025-02-06 14:12:21,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2858812] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899888719] [2025-02-06 14:12:21,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:21,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:21,918 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:21,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:12:21,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 14:12:21,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 14:12:21,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:21,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:21,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:12:21,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:22,072 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-06 14:12:22,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:22,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899888719] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:12:22,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:12:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2025-02-06 14:12:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762905868] [2025-02-06 14:12:22,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:22,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-06 14:12:22,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:22,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-06 14:12:22,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:12:22,283 INFO L87 Difference]: Start difference. First operand 828 states and 1084 transitions. Second operand has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-06 14:12:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:22,777 INFO L93 Difference]: Finished difference Result 1066 states and 1359 transitions. [2025-02-06 14:12:22,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-02-06 14:12:22,777 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 133 [2025-02-06 14:12:22,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:22,780 INFO L225 Difference]: With dead ends: 1066 [2025-02-06 14:12:22,780 INFO L226 Difference]: Without dead ends: 1061 [2025-02-06 14:12:22,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2025-02-06 14:12:22,781 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 259 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:22,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 645 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:12:22,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2025-02-06 14:12:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1019. [2025-02-06 14:12:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 888 states have (on average 1.2240990990990992) internal successors, (1087), 899 states have internal predecessors, (1087), 105 states have call successors, (105), 14 states have call predecessors, (105), 14 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-02-06 14:12:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1297 transitions. [2025-02-06 14:12:22,872 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1297 transitions. Word has length 133 [2025-02-06 14:12:22,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:22,873 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1297 transitions. [2025-02-06 14:12:22,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-06 14:12:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1297 transitions. [2025-02-06 14:12:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-06 14:12:22,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:22,876 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:22,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:23,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 14:12:23,081 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:23,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:23,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1897861553, now seen corresponding path program 1 times [2025-02-06 14:12:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:23,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055680971] [2025-02-06 14:12:23,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:23,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:12:23,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:12:23,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:23,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:23,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186164304] [2025-02-06 14:12:23,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:23,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:23,117 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:23,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:12:23,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:12:23,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:12:23,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:23,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:23,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 14:12:23,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:24,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:33,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055680971] [2025-02-06 14:12:33,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:33,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186164304] [2025-02-06 14:12:33,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186164304] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:33,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:33,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-06 14:12:33,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196285655] [2025-02-06 14:12:33,130 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:33,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:12:33,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:33,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:12:33,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:12:33,131 INFO L87 Difference]: Start difference. First operand 1019 states and 1297 transitions. Second operand has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 14:12:33,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:33,820 INFO L93 Difference]: Finished difference Result 1024 states and 1303 transitions. [2025-02-06 14:12:33,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:12:33,821 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 139 [2025-02-06 14:12:33,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:33,824 INFO L225 Difference]: With dead ends: 1024 [2025-02-06 14:12:33,824 INFO L226 Difference]: Without dead ends: 1023 [2025-02-06 14:12:33,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:12:33,824 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:33,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 642 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:12:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2025-02-06 14:12:33,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1020. [2025-02-06 14:12:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 889 states have (on average 1.2238470191226096) internal successors, (1088), 900 states have internal predecessors, (1088), 105 states have call successors, (105), 14 states have call predecessors, (105), 14 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-02-06 14:12:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1298 transitions. [2025-02-06 14:12:33,892 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1298 transitions. Word has length 139 [2025-02-06 14:12:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:33,892 INFO L471 AbstractCegarLoop]: Abstraction has 1020 states and 1298 transitions. [2025-02-06 14:12:33,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.538461538461538) internal successors, (72), 14 states have internal predecessors, (72), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 14:12:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1298 transitions. [2025-02-06 14:12:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-06 14:12:33,893 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:33,893 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:33,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 14:12:34,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-06 14:12:34,094 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1112892423, now seen corresponding path program 1 times [2025-02-06 14:12:34,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117451157] [2025-02-06 14:12:34,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:34,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:34,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:12:34,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:12:34,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:34,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:12:34,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:34,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117451157] [2025-02-06 14:12:34,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117451157] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:34,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637923322] [2025-02-06 14:12:34,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:34,288 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:34,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:12:34,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:12:34,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:12:34,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:34,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:34,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:12:34,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:12:34,553 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:12:35,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637923322] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:12:35,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:12:35,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-06 14:12:35,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352733519] [2025-02-06 14:12:35,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:35,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:12:35,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:35,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:12:35,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:12:35,773 INFO L87 Difference]: Start difference. First operand 1020 states and 1298 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:12:36,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:36,899 INFO L93 Difference]: Finished difference Result 1571 states and 2015 transitions. [2025-02-06 14:12:36,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:12:36,899 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2025-02-06 14:12:36,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:36,907 INFO L225 Difference]: With dead ends: 1571 [2025-02-06 14:12:36,907 INFO L226 Difference]: Without dead ends: 1569 [2025-02-06 14:12:36,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=447, Invalid=743, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 14:12:36,912 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 571 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:36,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 940 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:12:36,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2025-02-06 14:12:37,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1356. [2025-02-06 14:12:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1197 states have (on average 1.2247284878863827) internal successors, (1466), 1208 states have internal predecessors, (1466), 133 states have call successors, (133), 14 states have call predecessors, (133), 14 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2025-02-06 14:12:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1732 transitions. [2025-02-06 14:12:37,003 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1732 transitions. Word has length 138 [2025-02-06 14:12:37,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:37,003 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1732 transitions. [2025-02-06 14:12:37,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:12:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1732 transitions. [2025-02-06 14:12:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 14:12:37,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:37,004 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:37,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:37,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:37,205 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1295833980, now seen corresponding path program 1 times [2025-02-06 14:12:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508512098] [2025-02-06 14:12:37,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:37,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:12:37,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:12:37,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:37,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:37,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113648692] [2025-02-06 14:12:37,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:37,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:37,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:37,221 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:37,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 14:12:37,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:12:37,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:12:37,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:37,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:37,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:12:37,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:38,847 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:39,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508512098] [2025-02-06 14:12:39,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:39,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113648692] [2025-02-06 14:12:39,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113648692] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:39,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:39,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-06 14:12:39,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603482195] [2025-02-06 14:12:39,426 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:39,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:12:39,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:39,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:12:39,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:12:39,427 INFO L87 Difference]: Start difference. First operand 1356 states and 1732 transitions. Second operand has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 14:12:40,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:40,335 INFO L93 Difference]: Finished difference Result 1361 states and 1736 transitions. [2025-02-06 14:12:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:12:40,335 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 140 [2025-02-06 14:12:40,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:40,339 INFO L225 Difference]: With dead ends: 1361 [2025-02-06 14:12:40,339 INFO L226 Difference]: Without dead ends: 1359 [2025-02-06 14:12:40,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:12:40,340 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 58 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:40,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 706 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:12:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2025-02-06 14:12:40,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1357. [2025-02-06 14:12:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1198 states have (on average 1.2237061769616027) internal successors, (1466), 1209 states have internal predecessors, (1466), 133 states have call successors, (133), 14 states have call predecessors, (133), 14 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2025-02-06 14:12:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1732 transitions. [2025-02-06 14:12:40,447 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1732 transitions. Word has length 140 [2025-02-06 14:12:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:40,447 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1732 transitions. [2025-02-06 14:12:40,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.615384615384615) internal successors, (73), 14 states have internal predecessors, (73), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 14:12:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1732 transitions. [2025-02-06 14:12:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-06 14:12:40,448 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:40,448 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:40,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:40,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:40,648 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:40,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash 201002244, now seen corresponding path program 1 times [2025-02-06 14:12:40,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:40,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606779858] [2025-02-06 14:12:40,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:40,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:12:40,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:12:40,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:40,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:40,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295408941] [2025-02-06 14:12:40,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:40,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:40,687 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:40,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 14:12:40,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:12:40,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:12:40,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:40,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:40,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 14:12:40,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:12:41,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:45,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:45,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606779858] [2025-02-06 14:12:45,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:45,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295408941] [2025-02-06 14:12:45,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295408941] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:45,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:45,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-06 14:12:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488081640] [2025-02-06 14:12:45,017 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:45,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:12:45,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:45,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:12:45,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:12:45,018 INFO L87 Difference]: Start difference. First operand 1357 states and 1732 transitions. Second operand has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-06 14:12:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:45,597 INFO L93 Difference]: Finished difference Result 1385 states and 1756 transitions. [2025-02-06 14:12:45,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:12:45,597 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 139 [2025-02-06 14:12:45,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:45,601 INFO L225 Difference]: With dead ends: 1385 [2025-02-06 14:12:45,601 INFO L226 Difference]: Without dead ends: 1219 [2025-02-06 14:12:45,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:12:45,602 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 48 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:45,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 589 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:12:45,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2025-02-06 14:12:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1216. [2025-02-06 14:12:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 1069 states have (on average 1.225444340505145) internal successors, (1310), 1080 states have internal predecessors, (1310), 121 states have call successors, (121), 14 states have call predecessors, (121), 14 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2025-02-06 14:12:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1552 transitions. [2025-02-06 14:12:45,684 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1552 transitions. Word has length 139 [2025-02-06 14:12:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:45,684 INFO L471 AbstractCegarLoop]: Abstraction has 1216 states and 1552 transitions. [2025-02-06 14:12:45,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-06 14:12:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1552 transitions. [2025-02-06 14:12:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 14:12:45,686 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:45,686 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:45,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-06 14:12:45,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-06 14:12:45,891 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:45,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:45,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1936102247, now seen corresponding path program 1 times [2025-02-06 14:12:45,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:45,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049516323] [2025-02-06 14:12:45,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:45,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:12:45,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:12:45,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:45,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:45,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036672167] [2025-02-06 14:12:45,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:45,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:45,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:45,909 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:45,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 14:12:45,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 14:12:45,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:12:45,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:45,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:45,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 14:12:45,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:12:46,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:49,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:49,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049516323] [2025-02-06 14:12:49,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:49,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036672167] [2025-02-06 14:12:49,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036672167] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:49,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:49,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-06 14:12:49,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134243903] [2025-02-06 14:12:49,045 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:49,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:12:49,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:49,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:12:49,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:12:49,046 INFO L87 Difference]: Start difference. First operand 1216 states and 1552 transitions. Second operand has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-06 14:12:49,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:49,486 INFO L93 Difference]: Finished difference Result 1221 states and 1556 transitions. [2025-02-06 14:12:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:12:49,487 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 140 [2025-02-06 14:12:49,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:49,490 INFO L225 Difference]: With dead ends: 1221 [2025-02-06 14:12:49,490 INFO L226 Difference]: Without dead ends: 1215 [2025-02-06 14:12:49,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:12:49,496 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 24 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:49,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 476 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:12:49,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2025-02-06 14:12:49,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2025-02-06 14:12:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1068 states have (on average 1.2237827715355805) internal successors, (1307), 1079 states have internal predecessors, (1307), 121 states have call successors, (121), 14 states have call predecessors, (121), 14 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2025-02-06 14:12:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1549 transitions. [2025-02-06 14:12:49,594 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1549 transitions. Word has length 140 [2025-02-06 14:12:49,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:49,594 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1549 transitions. [2025-02-06 14:12:49,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.571428571428571) internal successors, (78), 15 states have internal predecessors, (78), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-06 14:12:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1549 transitions. [2025-02-06 14:12:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-06 14:12:49,595 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:49,595 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:49,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:49,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-02-06 14:12:49,799 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:12:49,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:49,799 INFO L85 PathProgramCache]: Analyzing trace with hash -244061798, now seen corresponding path program 1 times [2025-02-06 14:12:49,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:49,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003305755] [2025-02-06 14:12:49,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:49,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:49,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 14:12:49,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 14:12:49,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:49,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:49,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925904705] [2025-02-06 14:12:49,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:49,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:49,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:49,836 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:49,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 14:12:49,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-06 14:12:49,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 14:12:49,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:49,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:49,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 14:12:49,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:51,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:12:55,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:55,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003305755] [2025-02-06 14:12:55,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:55,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925904705] [2025-02-06 14:12:55,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925904705] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:12:55,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:12:55,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-02-06 14:12:55,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218250966] [2025-02-06 14:12:55,727 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:55,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-06 14:12:55,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:55,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-06 14:12:55,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:12:55,730 INFO L87 Difference]: Start difference. First operand 1215 states and 1549 transitions. Second operand has 28 states, 27 states have (on average 5.333333333333333) internal successors, (144), 28 states have internal predecessors, (144), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2025-02-06 14:13:04,819 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 75 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)