./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.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/prod4br-ll_valuebound100.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 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:17:50,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:17:50,755 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:17:50,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:17:50,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:17:50,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:17:50,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:17:50,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:17:50,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:17:50,782 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:17:50,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:17:50,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:17:50,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:17:50,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:17:50,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:17:50,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:17:50,785 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:17:50,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:17:50,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:17:50,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:17:50,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:17:50,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:17:50,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:17:50,787 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 -> 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 [2025-02-06 14:17:51,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:17:51,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:17:51,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:17:51,043 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:17:51,043 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:17:51,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2025-02-06 14:17:52,192 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbec2ba7a/a9818eacc87e48f1b421ba7dd32a407a/FLAGcdba96a8d [2025-02-06 14:17:52,419 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:17:52,421 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2025-02-06 14:17:52,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbec2ba7a/a9818eacc87e48f1b421ba7dd32a407a/FLAGcdba96a8d [2025-02-06 14:17:52,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cbec2ba7a/a9818eacc87e48f1b421ba7dd32a407a [2025-02-06 14:17:52,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:17:52,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:17:52,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:17:52,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:17:52,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:17:52,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d463407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52, skipping insertion in model container [2025-02-06 14:17:52,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:17:52,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:17:52,875 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:17:52,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:17:52,896 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:17:52,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52 WrapperNode [2025-02-06 14:17:52,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:17:52,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:17:52,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:17:52,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:17:52,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,921 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-02-06 14:17:52,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:17:52,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:17:52,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:17:52,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:17:52,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,938 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 14:17:52,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,941 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:17:52,944 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:17:52,944 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:17:52,944 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:17:52,945 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (1/1) ... [2025-02-06 14:17:52,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:17:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:52,970 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 14:17:52,972 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 14:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:17:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:17:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:17:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:17:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:17:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:17:53,029 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:17:53,031 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:17:53,319 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2025-02-06 14:17:53,320 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:17:53,328 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:17:53,328 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:17:53,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:17:53 BoogieIcfgContainer [2025-02-06 14:17:53,328 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:17:53,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:17:53,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:17:53,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:17:53,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:17:52" (1/3) ... [2025-02-06 14:17:53,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e10d993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:17:53, skipping insertion in model container [2025-02-06 14:17:53,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:17:52" (2/3) ... [2025-02-06 14:17:53,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e10d993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:17:53, skipping insertion in model container [2025-02-06 14:17:53,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:17:53" (3/3) ... [2025-02-06 14:17:53,335 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound100.c [2025-02-06 14:17:53,346 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:17:53,348 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound100.c that has 3 procedures, 113 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-02-06 14:17:53,386 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:17:53,398 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;@797f8d04, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:17:53,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-06 14:17:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 104 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:17:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:17:53,406 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:53,407 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:53,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:53,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash -796146608, now seen corresponding path program 1 times [2025-02-06 14:17:53,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:53,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922780783] [2025-02-06 14:17:53,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:53,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:17:53,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:17:53,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:53,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:17:53,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922780783] [2025-02-06 14:17:53,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922780783] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:53,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935458874] [2025-02-06 14:17:53,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:53,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:53,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:53,512 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 14:17:53,514 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 14:17:53,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:17:53,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:17:53,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:53,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:53,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:17:53,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:17:53,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:53,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935458874] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:53,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:53,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:17:53,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432561008] [2025-02-06 14:17:53,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:53,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:17:53,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:53,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:17:53,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:17:53,577 INFO L87 Difference]: Start difference. First operand has 113 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 104 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:53,596 INFO L93 Difference]: Finished difference Result 222 states and 247 transitions. [2025-02-06 14:17:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:17:53,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-06 14:17:53,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:53,604 INFO L225 Difference]: With dead ends: 222 [2025-02-06 14:17:53,604 INFO L226 Difference]: Without dead ends: 106 [2025-02-06 14:17:53,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 14:17:53,611 INFO L435 NwaCegarLoop]: 119 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, 119 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 14:17:53,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:17:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-06 14:17:53,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2025-02-06 14:17:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 57 states have (on average 1.7894736842105263) internal successors, (102), 98 states have internal predecessors, (102), 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 14:17:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2025-02-06 14:17:53,637 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 21 [2025-02-06 14:17:53,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:53,637 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2025-02-06 14:17:53,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2025-02-06 14:17:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:17:53,638 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:53,638 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:53,644 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 14:17:53,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:17:53,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:53,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1211159119, now seen corresponding path program 1 times [2025-02-06 14:17:53,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:53,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363471639] [2025-02-06 14:17:53,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:53,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:53,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:17:53,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:17:53,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:53,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:53,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070776081] [2025-02-06 14:17:53,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:53,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:53,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:53,862 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 14:17:53,864 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 14:17:53,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:17:53,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:17:53,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:53,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:53,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:17:53,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:17:54,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:54,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:54,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363471639] [2025-02-06 14:17:54,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:54,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070776081] [2025-02-06 14:17:54,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070776081] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:54,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:54,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:17:54,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924450854] [2025-02-06 14:17:54,155 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:54,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:17:54,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:54,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:17:54,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:17:54,157 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:54,451 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2025-02-06 14:17:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:17:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-06 14:17:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:54,453 INFO L225 Difference]: With dead ends: 144 [2025-02-06 14:17:54,453 INFO L226 Difference]: Without dead ends: 135 [2025-02-06 14:17:54,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:17:54,453 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:54,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 221 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:17:54,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-06 14:17:54,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2025-02-06 14:17:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 79 states have (on average 1.6962025316455696) internal successors, (134), 118 states have internal predecessors, (134), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:17:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2025-02-06 14:17:54,461 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 21 [2025-02-06 14:17:54,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:54,463 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2025-02-06 14:17:54,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2025-02-06 14:17:54,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 14:17:54,463 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:54,463 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:54,470 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 14:17:54,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:54,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:54,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1108773039, now seen corresponding path program 1 times [2025-02-06 14:17:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393888182] [2025-02-06 14:17:54,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:54,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:17:54,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:17:54,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:54,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:54,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915212279] [2025-02-06 14:17:54,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:54,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:54,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:54,681 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 14:17:54,682 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 14:17:54,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:17:54,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:17:54,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:54,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:54,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:17:54,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:54,802 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 14:17:54,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393888182] [2025-02-06 14:17:54,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:54,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915212279] [2025-02-06 14:17:54,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915212279] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:54,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:54,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:17:54,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297930801] [2025-02-06 14:17:54,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:54,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:17:54,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:54,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:17:54,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:17:54,803 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:17:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:55,029 INFO L93 Difference]: Finished difference Result 175 states and 214 transitions. [2025-02-06 14:17:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:17:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2025-02-06 14:17:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:55,030 INFO L225 Difference]: With dead ends: 175 [2025-02-06 14:17:55,030 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:17:55,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:17:55,031 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 170 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:55,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 206 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:17:55,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 154. [2025-02-06 14:17:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.6132075471698113) internal successors, (171), 143 states have internal predecessors, (171), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:17:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 187 transitions. [2025-02-06 14:17:55,039 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 187 transitions. Word has length 22 [2025-02-06 14:17:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:55,039 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 187 transitions. [2025-02-06 14:17:55,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:17:55,040 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 187 transitions. [2025-02-06 14:17:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 14:17:55,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:55,040 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:55,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:17:55,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:55,243 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:55,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash 12225903, now seen corresponding path program 1 times [2025-02-06 14:17:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:55,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936674473] [2025-02-06 14:17:55,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:55,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:55,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:17:55,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:17:55,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:55,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:55,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901343309] [2025-02-06 14:17:55,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:55,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:55,257 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 14:17:55,259 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 14:17:55,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:17:55,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:17:55,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:55,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:55,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:17:55,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:17:55,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:55,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:55,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936674473] [2025-02-06 14:17:55,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:55,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901343309] [2025-02-06 14:17:55,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901343309] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:55,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:17:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990318395] [2025-02-06 14:17:55,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:55,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:17:55,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:55,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:17:55,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:17:55,579 INFO L87 Difference]: Start difference. First operand 154 states and 187 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:55,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:55,792 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2025-02-06 14:17:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:17:55,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2025-02-06 14:17:55,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:55,794 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:17:55,794 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:17:55,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:17:55,794 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 254 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:55,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 236 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:55,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:17:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2025-02-06 14:17:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.6037735849056605) internal successors, (170), 143 states have internal predecessors, (170), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:17:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 186 transitions. [2025-02-06 14:17:55,803 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 186 transitions. Word has length 23 [2025-02-06 14:17:55,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:55,803 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 186 transitions. [2025-02-06 14:17:55,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:17:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 186 transitions. [2025-02-06 14:17:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 14:17:55,804 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:55,804 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:55,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:56,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:56,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:56,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash 379003053, now seen corresponding path program 1 times [2025-02-06 14:17:56,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810762892] [2025-02-06 14:17:56,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:56,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:17:56,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:17:56,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:56,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:56,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070261318] [2025-02-06 14:17:56,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:56,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:56,021 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 14:17:56,023 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 14:17:56,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:17:56,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:17:56,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:56,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:56,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:17:56,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:56,168 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 14:17:56,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:56,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:56,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810762892] [2025-02-06 14:17:56,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:56,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070261318] [2025-02-06 14:17:56,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070261318] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:56,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:56,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:17:56,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203482575] [2025-02-06 14:17:56,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:56,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:17:56,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:56,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:17:56,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:17:56,170 INFO L87 Difference]: Start difference. First operand 154 states and 186 transitions. Second operand has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:17:56,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:56,364 INFO L93 Difference]: Finished difference Result 161 states and 192 transitions. [2025-02-06 14:17:56,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:17:56,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2025-02-06 14:17:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:56,366 INFO L225 Difference]: With dead ends: 161 [2025-02-06 14:17:56,366 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 14:17:56,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:17:56,366 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 368 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:56,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 239 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 14:17:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2025-02-06 14:17:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 106 states have (on average 1.5943396226415094) internal successors, (169), 143 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:17:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2025-02-06 14:17:56,380 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 24 [2025-02-06 14:17:56,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:56,380 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2025-02-06 14:17:56,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:17:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2025-02-06 14:17:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 14:17:56,381 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:56,381 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:56,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:56,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:56,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:56,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:56,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1135807187, now seen corresponding path program 1 times [2025-02-06 14:17:56,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:56,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046519139] [2025-02-06 14:17:56,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:56,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:56,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:17:56,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:17:56,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:56,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:56,669 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 14:17:56,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:56,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046519139] [2025-02-06 14:17:56,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046519139] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:56,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637712922] [2025-02-06 14:17:56,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:56,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:56,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:56,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:56,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:56,670 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 14:17:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:56,879 INFO L93 Difference]: Finished difference Result 223 states and 266 transitions. [2025-02-06 14:17:56,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 25 [2025-02-06 14:17:56,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:56,881 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:17:56,881 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:17:56,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:56,881 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:56,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 179 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:17:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 172. [2025-02-06 14:17:56,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.5772357723577235) internal successors, (194), 160 states have internal predecessors, (194), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:17:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2025-02-06 14:17:56,889 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 25 [2025-02-06 14:17:56,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:56,889 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2025-02-06 14:17:56,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 14:17:56,889 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2025-02-06 14:17:56,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 14:17:56,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:56,890 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] [2025-02-06 14:17:56,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:17:56,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:56,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:56,890 INFO L85 PathProgramCache]: Analyzing trace with hash -850284373, now seen corresponding path program 1 times [2025-02-06 14:17:56,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:56,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037470415] [2025-02-06 14:17:56,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:56,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:56,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:17:56,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:17:56,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:56,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:56,954 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 14:17:56,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:56,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037470415] [2025-02-06 14:17:56,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037470415] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:56,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:56,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:56,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168504521] [2025-02-06 14:17:56,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:56,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:56,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:56,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:56,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:56,958 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14:17:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:57,251 INFO L93 Difference]: Finished difference Result 223 states and 264 transitions. [2025-02-06 14:17:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:57,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 26 [2025-02-06 14:17:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:57,253 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:17:57,253 INFO L226 Difference]: Without dead ends: 222 [2025-02-06 14:17:57,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:57,253 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:57,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 192 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:17:57,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-06 14:17:57,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 172. [2025-02-06 14:17:57,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 123 states have (on average 1.5609756097560976) internal successors, (192), 160 states have internal predecessors, (192), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:17:57,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 210 transitions. [2025-02-06 14:17:57,260 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 210 transitions. Word has length 26 [2025-02-06 14:17:57,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:57,260 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 210 transitions. [2025-02-06 14:17:57,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14:17:57,260 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 210 transitions. [2025-02-06 14:17:57,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:17:57,261 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:57,261 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, 1, 1, 1, 1, 1] [2025-02-06 14:17:57,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:17:57,261 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:57,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:57,262 INFO L85 PathProgramCache]: Analyzing trace with hash 43323980, now seen corresponding path program 1 times [2025-02-06 14:17:57,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:57,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517523323] [2025-02-06 14:17:57,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:57,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:57,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:17:57,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:17:57,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:57,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:57,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701317210] [2025-02-06 14:17:57,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:57,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:57,290 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 14:17:57,291 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 14:17:57,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:17:57,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:17:57,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:57,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:57,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:17:57,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:57,369 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 14:17:57,369 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:57,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:57,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517523323] [2025-02-06 14:17:57,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:57,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701317210] [2025-02-06 14:17:57,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701317210] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:57,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:57,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:57,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611047314] [2025-02-06 14:17:57,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:57,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:57,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:57,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:57,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:57,370 INFO L87 Difference]: Start difference. First operand 172 states and 210 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:17:57,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:57,517 INFO L93 Difference]: Finished difference Result 229 states and 288 transitions. [2025-02-06 14:17:57,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:57,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2025-02-06 14:17:57,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:57,518 INFO L225 Difference]: With dead ends: 229 [2025-02-06 14:17:57,518 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 14:17:57,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 14:17:57,519 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 156 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:57,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 125 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 14:17:57,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 209. [2025-02-06 14:17:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 159 states have (on average 1.559748427672956) internal successors, (248), 196 states have internal predecessors, (248), 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 14:17:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 268 transitions. [2025-02-06 14:17:57,529 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 268 transitions. Word has length 39 [2025-02-06 14:17:57,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:57,530 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 268 transitions. [2025-02-06 14:17:57,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:17:57,530 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 268 transitions. [2025-02-06 14:17:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:17:57,531 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:57,532 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, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:57,538 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 14:17:57,732 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,SelfDestructingSolverStorable7 [2025-02-06 14:17:57,732 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:57,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:57,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1343043379, now seen corresponding path program 1 times [2025-02-06 14:17:57,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:57,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076815601] [2025-02-06 14:17:57,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:57,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:57,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:17:57,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:17:57,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:57,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:57,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [62823847] [2025-02-06 14:17:57,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:57,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:57,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:57,760 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 14:17:57,761 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 14:17:57,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:17:57,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:17:57,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:57,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:57,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:17:57,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:57,845 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 14:17:57,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:57,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:57,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076815601] [2025-02-06 14:17:57,846 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:57,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62823847] [2025-02-06 14:17:57,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62823847] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:57,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:57,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:57,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331829275] [2025-02-06 14:17:57,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:57,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:57,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:57,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:57,851 INFO L87 Difference]: Start difference. First operand 209 states and 268 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:17:57,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:57,985 INFO L93 Difference]: Finished difference Result 304 states and 413 transitions. [2025-02-06 14:17:57,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:57,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2025-02-06 14:17:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:57,987 INFO L225 Difference]: With dead ends: 304 [2025-02-06 14:17:57,987 INFO L226 Difference]: Without dead ends: 298 [2025-02-06 14:17:57,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 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 14:17:57,988 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 205 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:57,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 85 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:57,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-02-06 14:17:57,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 280. [2025-02-06 14:17:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 228 states have (on average 1.5964912280701755) internal successors, (364), 265 states have internal predecessors, (364), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:17:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 388 transitions. [2025-02-06 14:17:58,000 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 388 transitions. Word has length 40 [2025-02-06 14:17:58,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:58,000 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 388 transitions. [2025-02-06 14:17:58,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:17:58,001 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 388 transitions. [2025-02-06 14:17:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:17:58,003 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:58,003 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, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:58,009 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 14:17:58,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:58,204 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:58,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:58,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1345112860, now seen corresponding path program 1 times [2025-02-06 14:17:58,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:58,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151140927] [2025-02-06 14:17:58,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:58,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:17:58,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:17:58,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:58,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:58,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645114975] [2025-02-06 14:17:58,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:58,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:58,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:58,228 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 14:17:58,229 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 14:17:58,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:17:58,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:17:58,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:58,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:58,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:17:58,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:58,321 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 14:17:58,322 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:58,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:58,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151140927] [2025-02-06 14:17:58,322 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:58,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645114975] [2025-02-06 14:17:58,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645114975] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:58,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:58,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:58,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614877730] [2025-02-06 14:17:58,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:58,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:58,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:58,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:58,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:58,323 INFO L87 Difference]: Start difference. First operand 280 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:58,475 INFO L93 Difference]: Finished difference Result 287 states and 393 transitions. [2025-02-06 14:17:58,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:58,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-06 14:17:58,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:58,476 INFO L225 Difference]: With dead ends: 287 [2025-02-06 14:17:58,476 INFO L226 Difference]: Without dead ends: 286 [2025-02-06 14:17:58,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 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 14:17:58,477 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 142 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:58,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 124 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-02-06 14:17:58,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2025-02-06 14:17:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 228 states have (on average 1.5921052631578947) internal successors, (363), 265 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:17:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 387 transitions. [2025-02-06 14:17:58,485 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 387 transitions. Word has length 40 [2025-02-06 14:17:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:58,485 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 387 transitions. [2025-02-06 14:17:58,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 387 transitions. [2025-02-06 14:17:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:17:58,486 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:58,486 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:58,491 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 14:17:58,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:58,688 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:58,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:58,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1315328214, now seen corresponding path program 1 times [2025-02-06 14:17:58,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:58,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379437405] [2025-02-06 14:17:58,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:58,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:58,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:17:58,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:17:58,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:58,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:58,773 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 14:17:58,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:58,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379437405] [2025-02-06 14:17:58,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379437405] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:58,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:58,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:58,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483949785] [2025-02-06 14:17:58,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:58,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:58,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:58,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:58,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:58,775 INFO L87 Difference]: Start difference. First operand 280 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:58,895 INFO L93 Difference]: Finished difference Result 350 states and 471 transitions. [2025-02-06 14:17:58,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:58,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-06 14:17:58,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:58,897 INFO L225 Difference]: With dead ends: 350 [2025-02-06 14:17:58,897 INFO L226 Difference]: Without dead ends: 349 [2025-02-06 14:17:58,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:58,898 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:58,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 196 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:58,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-02-06 14:17:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 289. [2025-02-06 14:17:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 237 states have (on average 1.5822784810126582) internal successors, (375), 274 states have internal predecessors, (375), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:17:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 399 transitions. [2025-02-06 14:17:58,907 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 399 transitions. Word has length 41 [2025-02-06 14:17:58,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:58,907 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 399 transitions. [2025-02-06 14:17:58,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 399 transitions. [2025-02-06 14:17:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:17:58,908 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:58,908 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:58,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 14:17:58,909 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:58,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1251174289, now seen corresponding path program 1 times [2025-02-06 14:17:58,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:58,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894331538] [2025-02-06 14:17:58,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:58,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:17:58,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:17:58,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:58,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:58,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279589073] [2025-02-06 14:17:58,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:58,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:58,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:58,927 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 14:17:58,929 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 14:17:58,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:17:58,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:17:58,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:58,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:58,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:17:58,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:59,017 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 14:17:59,017 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:17:59,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894331538] [2025-02-06 14:17:59,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:59,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279589073] [2025-02-06 14:17:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279589073] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:59,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:59,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158149460] [2025-02-06 14:17:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:59,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:59,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:59,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:59,019 INFO L87 Difference]: Start difference. First operand 289 states and 399 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:59,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:59,162 INFO L93 Difference]: Finished difference Result 305 states and 411 transitions. [2025-02-06 14:17:59,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:59,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-06 14:17:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:59,164 INFO L225 Difference]: With dead ends: 305 [2025-02-06 14:17:59,164 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 14:17:59,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 14:17:59,165 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 196 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:59,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 87 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:59,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 14:17:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 286. [2025-02-06 14:17:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 271 states have internal predecessors, (364), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:17:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 388 transitions. [2025-02-06 14:17:59,173 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 388 transitions. Word has length 41 [2025-02-06 14:17:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:59,173 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 388 transitions. [2025-02-06 14:17:59,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 388 transitions. [2025-02-06 14:17:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:17:59,173 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:59,173 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:59,179 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 14:17:59,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:59,376 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:59,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:59,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2120468975, now seen corresponding path program 1 times [2025-02-06 14:17:59,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:59,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362403492] [2025-02-06 14:17:59,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:59,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:59,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:17:59,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:17:59,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:59,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:59,452 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 14:17:59,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:59,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362403492] [2025-02-06 14:17:59,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362403492] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:59,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:59,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:59,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528050588] [2025-02-06 14:17:59,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:59,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:59,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:59,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:59,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:59,454 INFO L87 Difference]: Start difference. First operand 286 states and 388 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:59,853 INFO L93 Difference]: Finished difference Result 348 states and 458 transitions. [2025-02-06 14:17:59,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:17:59,853 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-06 14:17:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:59,854 INFO L225 Difference]: With dead ends: 348 [2025-02-06 14:17:59,854 INFO L226 Difference]: Without dead ends: 347 [2025-02-06 14:17:59,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:59,855 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:59,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 235 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:17:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-06 14:17:59,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 288. [2025-02-06 14:17:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 236 states have (on average 1.5508474576271187) internal successors, (366), 273 states have internal predecessors, (366), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:17:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 390 transitions. [2025-02-06 14:17:59,863 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 390 transitions. Word has length 42 [2025-02-06 14:17:59,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:59,863 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 390 transitions. [2025-02-06 14:17:59,863 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:17:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 390 transitions. [2025-02-06 14:17:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:17:59,863 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:59,864 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:59,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 14:17:59,864 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:17:59,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:59,864 INFO L85 PathProgramCache]: Analyzing trace with hash -131697286, now seen corresponding path program 1 times [2025-02-06 14:17:59,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:59,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572450150] [2025-02-06 14:17:59,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:17:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:59,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:17:59,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:17:59,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:59,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:59,917 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 14:17:59,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:59,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572450150] [2025-02-06 14:17:59,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572450150] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:17:59,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:17:59,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:17:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818545584] [2025-02-06 14:17:59,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:17:59,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:17:59,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:59,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:17:59,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:17:59,918 INFO L87 Difference]: Start difference. First operand 288 states and 390 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:00,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:00,058 INFO L93 Difference]: Finished difference Result 348 states and 456 transitions. [2025-02-06 14:18:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:00,058 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-06 14:18:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:00,060 INFO L225 Difference]: With dead ends: 348 [2025-02-06 14:18:00,060 INFO L226 Difference]: Without dead ends: 347 [2025-02-06 14:18:00,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:00,060 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 49 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:00,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 218 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:00,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2025-02-06 14:18:00,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 298. [2025-02-06 14:18:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 246 states have (on average 1.5447154471544715) internal successors, (380), 283 states have internal predecessors, (380), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 404 transitions. [2025-02-06 14:18:00,069 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 404 transitions. Word has length 42 [2025-02-06 14:18:00,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:00,069 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 404 transitions. [2025-02-06 14:18:00,069 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:00,069 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 404 transitions. [2025-02-06 14:18:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:18:00,069 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:00,069 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:00,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 14:18:00,070 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:00,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:00,070 INFO L85 PathProgramCache]: Analyzing trace with hash -80164815, now seen corresponding path program 1 times [2025-02-06 14:18:00,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:00,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-02-06 14:18:00,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:00,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:00,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:18:00,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:18:00,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:00,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:00,151 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 14:18:00,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:00,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-02-06 14:18:00,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777526306] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:00,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:00,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:00,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380012279] [2025-02-06 14:18:00,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:00,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:00,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:00,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:00,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:00,152 INFO L87 Difference]: Start difference. First operand 298 states and 404 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:00,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:00,489 INFO L93 Difference]: Finished difference Result 399 states and 563 transitions. [2025-02-06 14:18:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:00,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-06 14:18:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:00,491 INFO L225 Difference]: With dead ends: 399 [2025-02-06 14:18:00,491 INFO L226 Difference]: Without dead ends: 397 [2025-02-06 14:18:00,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:00,492 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 459 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:00,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 117 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-06 14:18:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 304. [2025-02-06 14:18:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 252 states have (on average 1.5357142857142858) internal successors, (387), 289 states have internal predecessors, (387), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 411 transitions. [2025-02-06 14:18:00,500 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 411 transitions. Word has length 42 [2025-02-06 14:18:00,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:00,501 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 411 transitions. [2025-02-06 14:18:00,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 411 transitions. [2025-02-06 14:18:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:00,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:00,501 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:00,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 14:18:00,502 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:00,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:00,502 INFO L85 PathProgramCache]: Analyzing trace with hash 111286221, now seen corresponding path program 1 times [2025-02-06 14:18:00,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:00,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329116444] [2025-02-06 14:18:00,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:00,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:00,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:00,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:00,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:00,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:00,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910207337] [2025-02-06 14:18:00,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:00,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:00,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:00,518 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 14:18:00,519 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 14:18:00,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:00,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:00,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:00,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:00,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:18:00,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:18:00,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:05,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:05,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329116444] [2025-02-06 14:18:05,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:05,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910207337] [2025-02-06 14:18:05,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910207337] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:05,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:05,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:05,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887786338] [2025-02-06 14:18:05,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:05,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:05,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:05,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:05,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=116, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:18:05,826 INFO L87 Difference]: Start difference. First operand 304 states and 411 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:06,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:06,110 INFO L93 Difference]: Finished difference Result 316 states and 418 transitions. [2025-02-06 14:18:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:06,110 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-02-06 14:18:06,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:06,111 INFO L225 Difference]: With dead ends: 316 [2025-02-06 14:18:06,111 INFO L226 Difference]: Without dead ends: 308 [2025-02-06 14:18:06,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=72, Invalid=167, Unknown=1, NotChecked=0, Total=240 [2025-02-06 14:18:06,112 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 256 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:06,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 261 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:06,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2025-02-06 14:18:06,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 304. [2025-02-06 14:18:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 252 states have (on average 1.5198412698412698) internal successors, (383), 289 states have internal predecessors, (383), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:06,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 407 transitions. [2025-02-06 14:18:06,133 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 407 transitions. Word has length 43 [2025-02-06 14:18:06,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:06,133 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 407 transitions. [2025-02-06 14:18:06,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:06,133 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 407 transitions. [2025-02-06 14:18:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:06,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:06,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:06,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:06,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 14:18:06,335 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:06,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:06,335 INFO L85 PathProgramCache]: Analyzing trace with hash 212351437, now seen corresponding path program 1 times [2025-02-06 14:18:06,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:06,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182813050] [2025-02-06 14:18:06,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:06,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:06,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:06,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,407 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 14:18:06,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:06,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182813050] [2025-02-06 14:18:06,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182813050] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:06,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:06,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272301010] [2025-02-06 14:18:06,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:06,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:06,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:06,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:06,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:06,409 INFO L87 Difference]: Start difference. First operand 304 states and 407 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:06,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:06,579 INFO L93 Difference]: Finished difference Result 340 states and 443 transitions. [2025-02-06 14:18:06,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:06,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-06 14:18:06,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:06,580 INFO L225 Difference]: With dead ends: 340 [2025-02-06 14:18:06,580 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 14:18:06,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:06,581 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 41 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:06,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:06,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 14:18:06,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 306. [2025-02-06 14:18:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.515748031496063) internal successors, (385), 291 states have internal predecessors, (385), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 409 transitions. [2025-02-06 14:18:06,588 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 409 transitions. Word has length 43 [2025-02-06 14:18:06,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:06,588 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 409 transitions. [2025-02-06 14:18:06,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 409 transitions. [2025-02-06 14:18:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:18:06,589 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:06,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:06,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 14:18:06,589 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:06,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:06,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1809858062, now seen corresponding path program 1 times [2025-02-06 14:18:06,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:06,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586430102] [2025-02-06 14:18:06,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:06,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:18:06,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:18:06,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,659 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 14:18:06,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586430102] [2025-02-06 14:18:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586430102] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:06,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:06,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:06,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239562470] [2025-02-06 14:18:06,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:06,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:06,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:06,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:06,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:06,661 INFO L87 Difference]: Start difference. First operand 306 states and 409 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:06,942 INFO L93 Difference]: Finished difference Result 317 states and 421 transitions. [2025-02-06 14:18:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:06,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-02-06 14:18:06,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:06,943 INFO L225 Difference]: With dead ends: 317 [2025-02-06 14:18:06,943 INFO L226 Difference]: Without dead ends: 315 [2025-02-06 14:18:06,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:06,944 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 365 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:06,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 116 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-02-06 14:18:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2025-02-06 14:18:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.5039370078740157) internal successors, (382), 291 states have internal predecessors, (382), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 406 transitions. [2025-02-06 14:18:06,954 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 406 transitions. Word has length 43 [2025-02-06 14:18:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:06,955 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 406 transitions. [2025-02-06 14:18:06,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 406 transitions. [2025-02-06 14:18:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:18:06,955 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:06,955 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:06,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 14:18:06,956 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:06,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:06,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1956184497, now seen corresponding path program 1 times [2025-02-06 14:18:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762759910] [2025-02-06 14:18:06,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:06,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:18:06,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:18:06,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:06,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54815909] [2025-02-06 14:18:06,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:06,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:06,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:06,971 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 14:18:06,972 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 14:18:06,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:18:06,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:18:06,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:06,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:06,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:18:07,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:07,096 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:07,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:07,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762759910] [2025-02-06 14:18:07,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:07,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54815909] [2025-02-06 14:18:07,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54815909] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:07,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:07,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 14:18:07,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700445529] [2025-02-06 14:18:07,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:07,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:07,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:07,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:07,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:18:07,098 INFO L87 Difference]: Start difference. First operand 306 states and 406 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:07,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:07,520 INFO L93 Difference]: Finished difference Result 319 states and 416 transitions. [2025-02-06 14:18:07,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:07,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-06 14:18:07,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:07,521 INFO L225 Difference]: With dead ends: 319 [2025-02-06 14:18:07,521 INFO L226 Difference]: Without dead ends: 313 [2025-02-06 14:18:07,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:18:07,522 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 167 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:07,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 288 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:18:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2025-02-06 14:18:07,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 308. [2025-02-06 14:18:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 256 states have (on average 1.46875) internal successors, (376), 292 states have internal predecessors, (376), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 14:18:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 402 transitions. [2025-02-06 14:18:07,533 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 402 transitions. Word has length 44 [2025-02-06 14:18:07,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:07,533 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 402 transitions. [2025-02-06 14:18:07,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:07,533 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 402 transitions. [2025-02-06 14:18:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:18:07,534 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:07,534 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 14:18:07,540 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 14:18:07,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:07,735 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:07,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash -428121973, now seen corresponding path program 1 times [2025-02-06 14:18:07,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:07,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117562771] [2025-02-06 14:18:07,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:07,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:07,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:07,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:07,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:07,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1974032068] [2025-02-06 14:18:07,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:07,749 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 14:18:07,751 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 14:18:07,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:07,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:07,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:07,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:07,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:18:07,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:07,995 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:09,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:09,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117562771] [2025-02-06 14:18:09,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:09,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974032068] [2025-02-06 14:18:09,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974032068] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:09,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:09,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:18:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282654483] [2025-02-06 14:18:09,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:09,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:18:09,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:09,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:18:09,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:18:09,639 INFO L87 Difference]: Start difference. First operand 308 states and 402 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:10,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:10,070 INFO L93 Difference]: Finished difference Result 399 states and 535 transitions. [2025-02-06 14:18:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:10,070 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-06 14:18:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:10,071 INFO L225 Difference]: With dead ends: 399 [2025-02-06 14:18:10,071 INFO L226 Difference]: Without dead ends: 379 [2025-02-06 14:18:10,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=185, Invalid=367, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:18:10,074 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 184 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:10,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 219 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-06 14:18:10,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 353. [2025-02-06 14:18:10,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 299 states have (on average 1.4548494983277591) internal successors, (435), 335 states have internal predecessors, (435), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 465 transitions. [2025-02-06 14:18:10,084 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 465 transitions. Word has length 45 [2025-02-06 14:18:10,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:10,085 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 465 transitions. [2025-02-06 14:18:10,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 465 transitions. [2025-02-06 14:18:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:18:10,085 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:10,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:10,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:10,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:10,290 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:10,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash -512177199, now seen corresponding path program 1 times [2025-02-06 14:18:10,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:10,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536651879] [2025-02-06 14:18:10,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:10,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:10,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:10,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:10,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:10,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315600873] [2025-02-06 14:18:10,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:10,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:10,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:10,310 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 14:18:10,311 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 14:18:10,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:10,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:10,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:10,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:10,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 14:18:10,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:11,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:18:11,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:11,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536651879] [2025-02-06 14:18:11,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:11,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315600873] [2025-02-06 14:18:11,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315600873] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:11,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:11,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2025-02-06 14:18:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933358783] [2025-02-06 14:18:11,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:11,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:18:11,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:11,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:18:11,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:18:11,795 INFO L87 Difference]: Start difference. First operand 353 states and 465 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:13,263 INFO L93 Difference]: Finished difference Result 369 states and 489 transitions. [2025-02-06 14:18:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:13,264 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-02-06 14:18:13,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:13,265 INFO L225 Difference]: With dead ends: 369 [2025-02-06 14:18:13,265 INFO L226 Difference]: Without dead ends: 362 [2025-02-06 14:18:13,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:18:13,266 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 48 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:13,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 145 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 14:18:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-06 14:18:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 338. [2025-02-06 14:18:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 288 states have (on average 1.4479166666666667) internal successors, (417), 323 states have internal predecessors, (417), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:13,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 441 transitions. [2025-02-06 14:18:13,275 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 441 transitions. Word has length 45 [2025-02-06 14:18:13,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:13,275 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 441 transitions. [2025-02-06 14:18:13,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 10 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 441 transitions. [2025-02-06 14:18:13,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:18:13,276 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:13,276 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:13,282 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 14:18:13,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:13,477 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:13,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:13,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2088697077, now seen corresponding path program 1 times [2025-02-06 14:18:13,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:13,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52007535] [2025-02-06 14:18:13,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:13,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:13,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:13,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302052861] [2025-02-06 14:18:13,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:13,488 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 14:18:13,489 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 14:18:13,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:18:13,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:18:13,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:13,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:13,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:18:13,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:13,640 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:13,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:13,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52007535] [2025-02-06 14:18:13,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:13,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302052861] [2025-02-06 14:18:13,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302052861] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:13,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682087261] [2025-02-06 14:18:13,723 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:13,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:13,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:13,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:13,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:18:13,723 INFO L87 Difference]: Start difference. First operand 338 states and 441 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:14,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:14,063 INFO L93 Difference]: Finished difference Result 398 states and 525 transitions. [2025-02-06 14:18:14,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:14,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-06 14:18:14,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:14,065 INFO L225 Difference]: With dead ends: 398 [2025-02-06 14:18:14,065 INFO L226 Difference]: Without dead ends: 383 [2025-02-06 14:18:14,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:18:14,066 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 306 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:14,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 223 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:14,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-06 14:18:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 367. [2025-02-06 14:18:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 316 states have (on average 1.4398734177215189) internal successors, (455), 351 states have internal predecessors, (455), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 14:18:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 481 transitions. [2025-02-06 14:18:14,079 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 481 transitions. Word has length 45 [2025-02-06 14:18:14,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:14,079 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 481 transitions. [2025-02-06 14:18:14,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 481 transitions. [2025-02-06 14:18:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:18:14,079 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:14,080 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:14,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:18:14,284 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,SelfDestructingSolverStorable21 [2025-02-06 14:18:14,284 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:14,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:14,284 INFO L85 PathProgramCache]: Analyzing trace with hash -386879215, now seen corresponding path program 1 times [2025-02-06 14:18:14,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:14,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183484491] [2025-02-06 14:18:14,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:14,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:14,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:14,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:14,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789938798] [2025-02-06 14:18:14,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:14,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:14,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:14,301 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 14:18:14,302 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 14:18:14,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:14,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:14,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:14,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:14,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 14:18:14,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:14,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:15,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183484491] [2025-02-06 14:18:15,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:15,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789938798] [2025-02-06 14:18:15,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789938798] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:15,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:15,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:18:15,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118358200] [2025-02-06 14:18:15,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:15,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:18:15,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:15,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:18:15,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:18:15,488 INFO L87 Difference]: Start difference. First operand 367 states and 481 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:16,073 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2025-02-06 14:18:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:16,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-06 14:18:16,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:16,075 INFO L225 Difference]: With dead ends: 423 [2025-02-06 14:18:16,075 INFO L226 Difference]: Without dead ends: 418 [2025-02-06 14:18:16,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:18:16,075 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 186 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:16,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 281 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:18:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-02-06 14:18:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 392. [2025-02-06 14:18:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 340 states have (on average 1.4205882352941177) internal successors, (483), 375 states have internal predecessors, (483), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 14:18:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 511 transitions. [2025-02-06 14:18:16,086 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 511 transitions. Word has length 46 [2025-02-06 14:18:16,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:16,086 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 511 transitions. [2025-02-06 14:18:16,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 511 transitions. [2025-02-06 14:18:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:18:16,087 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:16,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:16,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:18:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:16,291 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:16,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1537880211, now seen corresponding path program 1 times [2025-02-06 14:18:16,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:16,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206741669] [2025-02-06 14:18:16,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:16,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:16,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:16,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:16,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:16,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:16,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498031043] [2025-02-06 14:18:16,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:16,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:16,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:16,310 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 14:18:16,312 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 14:18:16,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:18:16,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:18:16,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:16,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:16,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:18:16,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:16,456 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 14:18:16,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:16,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:16,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206741669] [2025-02-06 14:18:16,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:16,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498031043] [2025-02-06 14:18:16,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498031043] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:16,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:16,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:16,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002515890] [2025-02-06 14:18:16,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:16,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:16,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:16,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:16,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:16,457 INFO L87 Difference]: Start difference. First operand 392 states and 511 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:16,736 INFO L93 Difference]: Finished difference Result 475 states and 633 transitions. [2025-02-06 14:18:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:16,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-06 14:18:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:16,737 INFO L225 Difference]: With dead ends: 475 [2025-02-06 14:18:16,737 INFO L226 Difference]: Without dead ends: 468 [2025-02-06 14:18:16,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:16,738 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 222 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:16,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 110 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:16,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2025-02-06 14:18:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 427. [2025-02-06 14:18:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.4251336898395721) internal successors, (533), 409 states have internal predecessors, (533), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 563 transitions. [2025-02-06 14:18:16,750 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 563 transitions. Word has length 46 [2025-02-06 14:18:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:16,750 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 563 transitions. [2025-02-06 14:18:16,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 563 transitions. [2025-02-06 14:18:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:18:16,751 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:16,751 INFO L218 NwaCegarLoop]: trace histogram [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, 1] [2025-02-06 14:18:16,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 14:18:16,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:16,952 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:16,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:16,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1488161719, now seen corresponding path program 1 times [2025-02-06 14:18:16,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:16,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244467304] [2025-02-06 14:18:16,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:16,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:16,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:16,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:16,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:16,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:16,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605355166] [2025-02-06 14:18:16,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:16,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:16,964 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 14:18:16,966 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 14:18:16,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:16,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:16,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:16,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:16,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 14:18:16,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:17,149 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:17,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:17,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244467304] [2025-02-06 14:18:17,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:17,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605355166] [2025-02-06 14:18:17,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605355166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:17,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:17,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:17,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523981719] [2025-02-06 14:18:17,404 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:17,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:17,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:17,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:17,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:18:17,405 INFO L87 Difference]: Start difference. First operand 427 states and 563 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:17,645 INFO L93 Difference]: Finished difference Result 441 states and 581 transitions. [2025-02-06 14:18:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-06 14:18:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:17,647 INFO L225 Difference]: With dead ends: 441 [2025-02-06 14:18:17,647 INFO L226 Difference]: Without dead ends: 440 [2025-02-06 14:18:17,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:18:17,647 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 157 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:17,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 224 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:17,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-06 14:18:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 427. [2025-02-06 14:18:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.4197860962566844) internal successors, (531), 409 states have internal predecessors, (531), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 561 transitions. [2025-02-06 14:18:17,659 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 561 transitions. Word has length 47 [2025-02-06 14:18:17,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:17,659 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 561 transitions. [2025-02-06 14:18:17,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:17,659 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 561 transitions. [2025-02-06 14:18:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:18:17,660 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:17,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:17,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:18:17,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:17,864 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:17,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:17,864 INFO L85 PathProgramCache]: Analyzing trace with hash -429646262, now seen corresponding path program 1 times [2025-02-06 14:18:17,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:17,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590414059] [2025-02-06 14:18:17,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:17,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:17,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:17,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:17,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:17,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97486777] [2025-02-06 14:18:17,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:17,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:17,881 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 14:18:17,883 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 14:18:17,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:18:17,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:18:17,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:17,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:17,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:18:17,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:18,009 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 14:18:18,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:18,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:18,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590414059] [2025-02-06 14:18:18,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:18,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97486777] [2025-02-06 14:18:18,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97486777] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:18,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:18,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:18:18,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414556770] [2025-02-06 14:18:18,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:18,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:18:18,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:18,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:18:18,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:18:18,010 INFO L87 Difference]: Start difference. First operand 427 states and 561 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:18,234 INFO L93 Difference]: Finished difference Result 452 states and 592 transitions. [2025-02-06 14:18:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:18:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-06 14:18:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:18,236 INFO L225 Difference]: With dead ends: 452 [2025-02-06 14:18:18,236 INFO L226 Difference]: Without dead ends: 451 [2025-02-06 14:18:18,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:18:18,236 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 215 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:18,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 115 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-02-06 14:18:18,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 427. [2025-02-06 14:18:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.414438502673797) internal successors, (529), 409 states have internal predecessors, (529), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 559 transitions. [2025-02-06 14:18:18,257 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 559 transitions. Word has length 47 [2025-02-06 14:18:18,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:18,257 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 559 transitions. [2025-02-06 14:18:18,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 559 transitions. [2025-02-06 14:18:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:18:18,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:18,258 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:18,265 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 14:18:18,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:18:18,459 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:18,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:18,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1747928779, now seen corresponding path program 1 times [2025-02-06 14:18:18,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:18,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560305105] [2025-02-06 14:18:18,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:18,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:18,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:18,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:18,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:18,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471868977] [2025-02-06 14:18:18,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:18,478 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 14:18:18,480 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 14:18:18,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:18,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:18,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:18,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:18,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:18:18,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:18,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:18:18,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:18,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560305105] [2025-02-06 14:18:18,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:18,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471868977] [2025-02-06 14:18:18,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471868977] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:18,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:18,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 14:18:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482945774] [2025-02-06 14:18:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:18,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:18,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:18,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:18,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:18:18,620 INFO L87 Difference]: Start difference. First operand 427 states and 559 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:18,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:18,920 INFO L93 Difference]: Finished difference Result 436 states and 567 transitions. [2025-02-06 14:18:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:18,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-06 14:18:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:18,925 INFO L225 Difference]: With dead ends: 436 [2025-02-06 14:18:18,925 INFO L226 Difference]: Without dead ends: 434 [2025-02-06 14:18:18,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:18,926 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 171 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:18,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 281 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:18,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2025-02-06 14:18:18,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 427. [2025-02-06 14:18:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.4090909090909092) internal successors, (527), 409 states have internal predecessors, (527), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 557 transitions. [2025-02-06 14:18:18,937 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 557 transitions. Word has length 48 [2025-02-06 14:18:18,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:18,938 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 557 transitions. [2025-02-06 14:18:18,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 557 transitions. [2025-02-06 14:18:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:18:18,938 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:18,938 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:18,944 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 14:18:19,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:19,139 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:19,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:19,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1111627027, now seen corresponding path program 1 times [2025-02-06 14:18:19,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:19,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997938908] [2025-02-06 14:18:19,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:19,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:19,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:19,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:19,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139379293] [2025-02-06 14:18:19,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:19,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:19,148 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 14:18:19,150 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 14:18:19,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:19,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:19,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:19,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:19,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:18:19,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:19,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:22,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:22,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997938908] [2025-02-06 14:18:22,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:22,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139379293] [2025-02-06 14:18:22,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139379293] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:22,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:22,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:18:22,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655448914] [2025-02-06 14:18:22,076 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:22,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:18:22,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:22,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:18:22,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=269, Unknown=1, NotChecked=0, Total=342 [2025-02-06 14:18:22,076 INFO L87 Difference]: Start difference. First operand 427 states and 557 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:22,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:22,963 INFO L93 Difference]: Finished difference Result 501 states and 659 transitions. [2025-02-06 14:18:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:18:22,964 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2025-02-06 14:18:22,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:22,965 INFO L225 Difference]: With dead ends: 501 [2025-02-06 14:18:22,965 INFO L226 Difference]: Without dead ends: 495 [2025-02-06 14:18:22,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=142, Invalid=409, Unknown=1, NotChecked=0, Total=552 [2025-02-06 14:18:22,965 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 222 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:22,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 221 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:18:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-06 14:18:22,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 417. [2025-02-06 14:18:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 364 states have (on average 1.3846153846153846) internal successors, (504), 399 states have internal predecessors, (504), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 534 transitions. [2025-02-06 14:18:22,977 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 534 transitions. Word has length 48 [2025-02-06 14:18:22,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:22,977 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 534 transitions. [2025-02-06 14:18:22,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 534 transitions. [2025-02-06 14:18:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:18:22,978 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:22,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:22,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:18:23,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 14:18:23,179 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:23,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:23,179 INFO L85 PathProgramCache]: Analyzing trace with hash -434132213, now seen corresponding path program 1 times [2025-02-06 14:18:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:23,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408657827] [2025-02-06 14:18:23,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:23,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:23,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:18:23,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:18:23,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:23,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:23,218 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 14:18:23,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:23,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408657827] [2025-02-06 14:18:23,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408657827] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:23,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:23,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:23,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189212600] [2025-02-06 14:18:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:23,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:23,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:23,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:23,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:23,220 INFO L87 Difference]: Start difference. First operand 417 states and 534 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:23,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:23,324 INFO L93 Difference]: Finished difference Result 442 states and 555 transitions. [2025-02-06 14:18:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:23,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-06 14:18:23,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:23,325 INFO L225 Difference]: With dead ends: 442 [2025-02-06 14:18:23,325 INFO L226 Difference]: Without dead ends: 441 [2025-02-06 14:18:23,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:23,326 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:23,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 184 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:23,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-02-06 14:18:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 428. [2025-02-06 14:18:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 375 states have (on average 1.3893333333333333) internal successors, (521), 410 states have internal predecessors, (521), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 551 transitions. [2025-02-06 14:18:23,345 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 551 transitions. Word has length 48 [2025-02-06 14:18:23,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:23,345 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 551 transitions. [2025-02-06 14:18:23,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 551 transitions. [2025-02-06 14:18:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:18:23,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:23,346 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:23,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-06 14:18:23,346 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:23,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:23,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1648782643, now seen corresponding path program 1 times [2025-02-06 14:18:23,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:23,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713793459] [2025-02-06 14:18:23,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:23,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:23,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:23,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:23,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:23,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:23,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [884479896] [2025-02-06 14:18:23,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:23,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:23,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:23,358 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 14:18:23,359 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 14:18:23,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:23,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:23,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:23,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:23,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:18:23,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:23,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:23,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713793459] [2025-02-06 14:18:23,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884479896] [2025-02-06 14:18:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884479896] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:23,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:18:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881003988] [2025-02-06 14:18:23,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:23,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:18:23,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:23,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:18:23,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:23,883 INFO L87 Difference]: Start difference. First operand 428 states and 551 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:24,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:24,238 INFO L93 Difference]: Finished difference Result 670 states and 855 transitions. [2025-02-06 14:18:24,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:18:24,239 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2025-02-06 14:18:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:24,240 INFO L225 Difference]: With dead ends: 670 [2025-02-06 14:18:24,240 INFO L226 Difference]: Without dead ends: 427 [2025-02-06 14:18:24,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:18:24,241 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 269 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:24,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 241 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:24,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2025-02-06 14:18:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 422. [2025-02-06 14:18:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 369 states have (on average 1.3875338753387534) internal successors, (512), 404 states have internal predecessors, (512), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 542 transitions. [2025-02-06 14:18:24,255 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 542 transitions. Word has length 49 [2025-02-06 14:18:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:24,255 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 542 transitions. [2025-02-06 14:18:24,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 542 transitions. [2025-02-06 14:18:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:18:24,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:24,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:24,262 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 14:18:24,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:24,460 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:24,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:24,460 INFO L85 PathProgramCache]: Analyzing trace with hash 100699527, now seen corresponding path program 1 times [2025-02-06 14:18:24,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:24,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483534949] [2025-02-06 14:18:24,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:24,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:24,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:24,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:24,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:24,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:24,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [350784227] [2025-02-06 14:18:24,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:24,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:24,476 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 14:18:24,477 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 14:18:24,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:24,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:24,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:24,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:24,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:18:24,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:24,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:24,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483534949] [2025-02-06 14:18:24,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:24,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350784227] [2025-02-06 14:18:24,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350784227] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:24,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:24,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:18:24,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587515740] [2025-02-06 14:18:24,724 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:24,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:18:24,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:24,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:18:24,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:18:24,725 INFO L87 Difference]: Start difference. First operand 422 states and 542 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:24,921 INFO L93 Difference]: Finished difference Result 428 states and 546 transitions. [2025-02-06 14:18:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:18:24,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2025-02-06 14:18:24,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:24,922 INFO L225 Difference]: With dead ends: 428 [2025-02-06 14:18:24,922 INFO L226 Difference]: Without dead ends: 426 [2025-02-06 14:18:24,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:18:24,923 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 168 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:24,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 255 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-02-06 14:18:24,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 422. [2025-02-06 14:18:24,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 369 states have (on average 1.3821138211382114) internal successors, (510), 404 states have internal predecessors, (510), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 540 transitions. [2025-02-06 14:18:24,933 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 540 transitions. Word has length 49 [2025-02-06 14:18:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:24,934 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 540 transitions. [2025-02-06 14:18:24,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2025-02-06 14:18:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:18:24,934 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:24,934 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:24,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:25,134 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,SelfDestructingSolverStorable30 [2025-02-06 14:18:25,135 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:25,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:25,135 INFO L85 PathProgramCache]: Analyzing trace with hash -573196696, now seen corresponding path program 1 times [2025-02-06 14:18:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:25,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315914028] [2025-02-06 14:18:25,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:25,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:25,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:18:25,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:18:25,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:25,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:25,177 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 14:18:25,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:25,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315914028] [2025-02-06 14:18:25,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315914028] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:18:25,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:18:25,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:18:25,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114863197] [2025-02-06 14:18:25,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:18:25,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:18:25,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:25,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:18:25,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:25,178 INFO L87 Difference]: Start difference. First operand 422 states and 540 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:25,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:25,373 INFO L93 Difference]: Finished difference Result 436 states and 542 transitions. [2025-02-06 14:18:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:18:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2025-02-06 14:18:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:25,374 INFO L225 Difference]: With dead ends: 436 [2025-02-06 14:18:25,375 INFO L226 Difference]: Without dead ends: 435 [2025-02-06 14:18:25,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:18:25,375 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 31 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:25,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 206 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:18:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2025-02-06 14:18:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 423. [2025-02-06 14:18:25,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 370 states have (on average 1.3783783783783783) internal successors, (510), 405 states have internal predecessors, (510), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 540 transitions. [2025-02-06 14:18:25,387 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 540 transitions. Word has length 49 [2025-02-06 14:18:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:25,388 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 540 transitions. [2025-02-06 14:18:25,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:18:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 540 transitions. [2025-02-06 14:18:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:18:25,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:25,388 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:25,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-06 14:18:25,388 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:25,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:25,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1173281903, now seen corresponding path program 1 times [2025-02-06 14:18:25,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071941497] [2025-02-06 14:18:25,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:25,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:18:25,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:18:25,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:25,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:25,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456584858] [2025-02-06 14:18:25,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:25,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:25,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:25,397 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 14:18:25,400 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 14:18:25,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:18:25,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:18:25,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:25,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:25,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:18:25,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:25,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:25,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:25,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071941497] [2025-02-06 14:18:25,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:25,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456584858] [2025-02-06 14:18:25,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456584858] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:25,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:25,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:25,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480597713] [2025-02-06 14:18:25,932 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:25,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:25,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:25,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:25,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:18:25,932 INFO L87 Difference]: Start difference. First operand 423 states and 540 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:26,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:26,260 INFO L93 Difference]: Finished difference Result 446 states and 567 transitions. [2025-02-06 14:18:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:26,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2025-02-06 14:18:26,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:26,262 INFO L225 Difference]: With dead ends: 446 [2025-02-06 14:18:26,262 INFO L226 Difference]: Without dead ends: 445 [2025-02-06 14:18:26,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:18:26,262 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 142 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:26,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 273 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:26,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2025-02-06 14:18:26,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 430. [2025-02-06 14:18:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 377 states have (on average 1.3713527851458887) internal successors, (517), 412 states have internal predecessors, (517), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 14:18:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 547 transitions. [2025-02-06 14:18:26,274 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 547 transitions. Word has length 50 [2025-02-06 14:18:26,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:26,274 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 547 transitions. [2025-02-06 14:18:26,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:18:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 547 transitions. [2025-02-06 14:18:26,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 14:18:26,276 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:26,276 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:26,281 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 14:18:26,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:26,476 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:26,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:26,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1086208794, now seen corresponding path program 1 times [2025-02-06 14:18:26,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:26,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733969383] [2025-02-06 14:18:26,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:26,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:18:26,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:18:26,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:26,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:26,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556628704] [2025-02-06 14:18:26,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:26,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:26,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:26,491 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 14:18:26,492 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 14:18:26,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:18:26,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:18:26,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:26,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:26,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:18:26,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:26,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:26,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:26,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733969383] [2025-02-06 14:18:26,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:26,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556628704] [2025-02-06 14:18:26,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556628704] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:26,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:18:26,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2025-02-06 14:18:26,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259008703] [2025-02-06 14:18:26,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:26,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:18:26,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:26,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:18:26,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:18:26,827 INFO L87 Difference]: Start difference. First operand 430 states and 547 transitions. Second operand has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:27,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:27,159 INFO L93 Difference]: Finished difference Result 526 states and 691 transitions. [2025-02-06 14:18:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:18:27,160 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 51 [2025-02-06 14:18:27,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:27,161 INFO L225 Difference]: With dead ends: 526 [2025-02-06 14:18:27,161 INFO L226 Difference]: Without dead ends: 505 [2025-02-06 14:18:27,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:18:27,162 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 252 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:27,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 149 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2025-02-06 14:18:27,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 405. [2025-02-06 14:18:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 362 states have (on average 1.3176795580110496) internal successors, (477), 388 states have internal predecessors, (477), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 14:18:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 505 transitions. [2025-02-06 14:18:27,174 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 505 transitions. Word has length 51 [2025-02-06 14:18:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:27,175 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 505 transitions. [2025-02-06 14:18:27,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 13 states have internal predecessors, (67), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 14:18:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 505 transitions. [2025-02-06 14:18:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 14:18:27,175 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:27,175 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:27,181 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 14:18:27,375 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,SelfDestructingSolverStorable33 [2025-02-06 14:18:27,376 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:27,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -169596060, now seen corresponding path program 1 times [2025-02-06 14:18:27,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:27,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573413048] [2025-02-06 14:18:27,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:27,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 14:18:27,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 14:18:27,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:27,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478185943] [2025-02-06 14:18:27,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:27,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:27,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:27,388 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 14:18:27,390 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 14:18:27,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 14:18:27,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 14:18:27,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:27,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:27,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 14:18:27,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:27,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:32,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:32,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573413048] [2025-02-06 14:18:32,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:32,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478185943] [2025-02-06 14:18:32,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478185943] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:32,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:32,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:18:32,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308509985] [2025-02-06 14:18:32,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:32,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:18:32,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:32,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:18:32,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=114, Unknown=2, NotChecked=0, Total=156 [2025-02-06 14:18:32,353 INFO L87 Difference]: Start difference. First operand 405 states and 505 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:32,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:32,524 INFO L93 Difference]: Finished difference Result 460 states and 580 transitions. [2025-02-06 14:18:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:18:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2025-02-06 14:18:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:32,526 INFO L225 Difference]: With dead ends: 460 [2025-02-06 14:18:32,526 INFO L226 Difference]: Without dead ends: 455 [2025-02-06 14:18:32,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=70, Invalid=168, Unknown=2, NotChecked=0, Total=240 [2025-02-06 14:18:32,526 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 186 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:32,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 67 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:18:32,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2025-02-06 14:18:32,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 321. [2025-02-06 14:18:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 286 states have (on average 1.2482517482517483) internal successors, (357), 307 states have internal predecessors, (357), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 14:18:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 379 transitions. [2025-02-06 14:18:32,537 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 379 transitions. Word has length 53 [2025-02-06 14:18:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:32,537 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 379 transitions. [2025-02-06 14:18:32,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 379 transitions. [2025-02-06 14:18:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:18:32,537 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:32,537 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1] [2025-02-06 14:18:32,544 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 14:18:32,738 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,SelfDestructingSolverStorable34 [2025-02-06 14:18:32,738 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:32,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash 226945506, now seen corresponding path program 1 times [2025-02-06 14:18:32,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:32,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567818755] [2025-02-06 14:18:32,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:32,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:18:32,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:18:32,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:32,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:32,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245031493] [2025-02-06 14:18:32,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:32,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:32,751 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 14:18:32,753 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 14:18:32,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:18:32,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:18:32,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:32,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:32,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:18:32,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:32,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:33,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:33,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567818755] [2025-02-06 14:18:33,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:33,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245031493] [2025-02-06 14:18:33,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245031493] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:33,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:33,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:18:33,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902881521] [2025-02-06 14:18:33,301 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:33,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:18:33,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:33,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:18:33,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:18:33,304 INFO L87 Difference]: Start difference. First operand 321 states and 379 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:33,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:33,724 INFO L93 Difference]: Finished difference Result 378 states and 449 transitions. [2025-02-06 14:18:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:18:33,725 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-02-06 14:18:33,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:33,726 INFO L225 Difference]: With dead ends: 378 [2025-02-06 14:18:33,726 INFO L226 Difference]: Without dead ends: 375 [2025-02-06 14:18:33,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:18:33,726 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 307 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:33,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 181 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:18:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-02-06 14:18:33,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 346. [2025-02-06 14:18:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 310 states have (on average 1.2451612903225806) internal successors, (386), 331 states have internal predecessors, (386), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 410 transitions. [2025-02-06 14:18:33,737 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 410 transitions. Word has length 55 [2025-02-06 14:18:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:33,737 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 410 transitions. [2025-02-06 14:18:33,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 410 transitions. [2025-02-06 14:18:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:18:33,738 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:33,738 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1] [2025-02-06 14:18:33,744 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 14:18:33,942 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,SelfDestructingSolverStorable35 [2025-02-06 14:18:33,942 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:33,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1554623850, now seen corresponding path program 1 times [2025-02-06 14:18:33,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697527155] [2025-02-06 14:18:33,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:33,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:18:33,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:18:33,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:33,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968633364] [2025-02-06 14:18:33,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:33,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:33,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:33,953 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 14:18:33,955 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 14:18:33,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:18:33,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:18:33,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:33,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:33,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 14:18:33,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:34,379 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:18:34,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:38,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:38,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697527155] [2025-02-06 14:18:38,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:38,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968633364] [2025-02-06 14:18:38,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968633364] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:38,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:38,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:18:38,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921805405] [2025-02-06 14:18:38,802 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:38,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:18:38,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:38,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:18:38,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=214, Unknown=1, NotChecked=0, Total=272 [2025-02-06 14:18:38,802 INFO L87 Difference]: Start difference. First operand 346 states and 410 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:39,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:39,614 INFO L93 Difference]: Finished difference Result 369 states and 437 transitions. [2025-02-06 14:18:39,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:18:39,615 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2025-02-06 14:18:39,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:39,616 INFO L225 Difference]: With dead ends: 369 [2025-02-06 14:18:39,616 INFO L226 Difference]: Without dead ends: 368 [2025-02-06 14:18:39,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=117, Invalid=388, Unknown=1, NotChecked=0, Total=506 [2025-02-06 14:18:39,616 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 268 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:39,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 188 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:18:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-06 14:18:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 353. [2025-02-06 14:18:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 317 states have (on average 1.2397476340694007) internal successors, (393), 338 states have internal predecessors, (393), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:18:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 417 transitions. [2025-02-06 14:18:39,628 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 417 transitions. Word has length 56 [2025-02-06 14:18:39,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:39,629 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 417 transitions. [2025-02-06 14:18:39,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:18:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 417 transitions. [2025-02-06 14:18:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 14:18:39,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:39,629 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:18:39,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-06 14:18:39,829 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,SelfDestructingSolverStorable36 [2025-02-06 14:18:39,830 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-06 14:18:39,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:39,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1604419479, now seen corresponding path program 1 times [2025-02-06 14:18:39,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:39,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646316750] [2025-02-06 14:18:39,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:39,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:39,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:39,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:39,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:39,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:39,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977214080] [2025-02-06 14:18:39,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:18:39,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:39,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:39,844 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 14:18:39,846 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 14:18:39,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 14:18:39,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 14:18:39,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:18:39,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:39,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-06 14:18:39,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:18:43,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:59,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646316750] [2025-02-06 14:18:59,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:59,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977214080] [2025-02-06 14:18:59,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977214080] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:59,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:59,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-02-06 14:18:59,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767186252] [2025-02-06 14:18:59,977 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:59,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 14:18:59,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:59,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 14:18:59,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=567, Unknown=1, NotChecked=0, Total=702 [2025-02-06 14:18:59,977 INFO L87 Difference]: Start difference. First operand 353 states and 417 transitions. Second operand has 18 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-06 14:19:04,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:09,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:12,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:16,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:20,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:24,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:19:29,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]