./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.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 6977cec8a403ff3f16926270da45a38f7b1f51a39c72ba3797fb74b9637fd796 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:12:52,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:12:52,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:12:52,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:12:52,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:12:52,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:12:52,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:12:52,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:12:52,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:12:52,259 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:12:52,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:12:52,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:12:52,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:12:52,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:12:52,261 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:12:52,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:12:52,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:12:52,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:12:52,263 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:52,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:12:52,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:52,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:12:52,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:12:52,264 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 -> 6977cec8a403ff3f16926270da45a38f7b1f51a39c72ba3797fb74b9637fd796 [2025-01-10 02:12:52,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:12:52,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:12:52,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:12:52,520 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:12:52,520 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:12:52,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c [2025-01-10 02:12:53,813 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9e772bc2/94df9983d14d40a6a1008d9f3cf2d342/FLAG52da2f258 [2025-01-10 02:12:54,062 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:12:54,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound20.c [2025-01-10 02:12:54,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9e772bc2/94df9983d14d40a6a1008d9f3cf2d342/FLAG52da2f258 [2025-01-10 02:12:54,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9e772bc2/94df9983d14d40a6a1008d9f3cf2d342 [2025-01-10 02:12:54,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:12:54,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:12:54,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:54,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:12:54,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:12:54,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a596bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54, skipping insertion in model container [2025-01-10 02:12:54,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:12:54,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:54,270 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:12:54,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:54,303 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:12:54,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54 WrapperNode [2025-01-10 02:12:54,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:54,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:54,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:12:54,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:12:54,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,335 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-01-10 02:12:54,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:54,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:12:54,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:12:54,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:12:54,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,357 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]. [2025-01-10 02:12:54,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,360 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:12:54,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:12:54,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:12:54,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:12:54,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (1/1) ... [2025-01-10 02:12:54,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:54,396 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) [2025-01-10 02:12:54,399 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 [2025-01-10 02:12:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:12:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:12:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:12:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:12:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:12:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:12:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:12:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:12:54,465 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:12:54,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:12:54,717 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-01-10 02:12:54,717 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:12:54,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:12:54,727 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 02:12:54,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:54 BoogieIcfgContainer [2025-01-10 02:12:54,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:12:54,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:12:54,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:12:54,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:12:54,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:12:54" (1/3) ... [2025-01-10 02:12:54,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2514099b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:54, skipping insertion in model container [2025-01-10 02:12:54,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:54" (2/3) ... [2025-01-10 02:12:54,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2514099b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:54, skipping insertion in model container [2025-01-10 02:12:54,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:54" (3/3) ... [2025-01-10 02:12:54,736 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound20.c [2025-01-10 02:12:54,749 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:12:54,752 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_valuebound20.c that has 3 procedures, 79 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-01-10 02:12:54,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:12:54,821 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;@1b2ecee2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:12:54,822 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-01-10 02:12:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 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) [2025-01-10 02:12:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:12:54,832 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:54,833 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:54,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:54,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:54,838 INFO L85 PathProgramCache]: Analyzing trace with hash -62045149, now seen corresponding path program 1 times [2025-01-10 02:12:54,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:54,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896954960] [2025-01-10 02:12:54,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:54,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:54,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:54,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:54,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:54,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:54,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896954960] [2025-01-10 02:12:54,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896954960] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105091708] [2025-01-10 02:12:54,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:54,975 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) [2025-01-10 02:12:54,977 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 [2025-01-10 02:12:55,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:55,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:55,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:55,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:55,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:12:55,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:55,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:55,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105091708] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:55,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:55,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:12:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439973427] [2025-01-10 02:12:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:55,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:12:55,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:55,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:12:55,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:12:55,079 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 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) 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) [2025-01-10 02:12:55,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:55,103 INFO L93 Difference]: Finished difference Result 154 states and 191 transitions. [2025-01-10 02:12:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:12:55,105 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 [2025-01-10 02:12:55,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:55,110 INFO L225 Difference]: With dead ends: 154 [2025-01-10 02:12:55,112 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:12:55,115 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 [2025-01-10 02:12:55,119 INFO L435 NwaCegarLoop]: 88 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, 88 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 [2025-01-10 02:12:55,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:12:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:12:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 60 states have internal predecessors, (63), 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) [2025-01-10 02:12:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2025-01-10 02:12:55,161 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 21 [2025-01-10 02:12:55,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:55,162 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2025-01-10 02:12:55,163 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) [2025-01-10 02:12:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2025-01-10 02:12:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:12:55,164 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:55,165 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] [2025-01-10 02:12:55,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:12:55,365 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 [2025-01-10 02:12:55,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:55,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash 495398440, now seen corresponding path program 1 times [2025-01-10 02:12:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:55,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066686615] [2025-01-10 02:12:55,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:55,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:55,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:55,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:55,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:55,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507346219] [2025-01-10 02:12:55,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:55,421 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) [2025-01-10 02:12:55,422 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 [2025-01-10 02:12:55,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:55,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:55,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:55,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:55,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:55,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:12:55,495 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:55,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:55,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066686615] [2025-01-10 02:12:55,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:55,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507346219] [2025-01-10 02:12:55,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507346219] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:55,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:55,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231691145] [2025-01-10 02:12:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:55,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:55,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:55,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:55,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:55,498 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:12:55,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:55,563 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2025-01-10 02:12:55,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:55,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2025-01-10 02:12:55,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:55,567 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:12:55,568 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:12:55,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:55,569 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:55,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 127 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:12:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2025-01-10 02:12:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 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) [2025-01-10 02:12:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2025-01-10 02:12:55,587 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 30 [2025-01-10 02:12:55,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:55,588 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2025-01-10 02:12:55,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:12:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2025-01-10 02:12:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:55,589 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:55,589 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:55,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:12:55,795 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 [2025-01-10 02:12:55,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:55,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:55,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455910, now seen corresponding path program 1 times [2025-01-10 02:12:55,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:55,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907979547] [2025-01-10 02:12:55,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:55,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:55,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:55,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:55,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:55,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:55,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717281904] [2025-01-10 02:12:55,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:55,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:55,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:55,838 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) [2025-01-10 02:12:55,840 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 [2025-01-10 02:12:55,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:55,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:55,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:55,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:55,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:55,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:55,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:55,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:55,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907979547] [2025-01-10 02:12:55,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:55,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717281904] [2025-01-10 02:12:55,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717281904] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:55,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:55,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:55,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484749267] [2025-01-10 02:12:55,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:55,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:55,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:55,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:55,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:55,944 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:56,017 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2025-01-10 02:12:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:56,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:56,020 INFO L225 Difference]: With dead ends: 124 [2025-01-10 02:12:56,020 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 02:12:56,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:56,021 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 39 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:56,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 105 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:56,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 02:12:56,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2025-01-10 02:12:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 88 states have internal predecessors, (106), 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) [2025-01-10 02:12:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2025-01-10 02:12:56,032 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 38 [2025-01-10 02:12:56,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:56,033 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2025-01-10 02:12:56,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2025-01-10 02:12:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:56,034 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:56,034 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:56,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:12:56,235 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 [2025-01-10 02:12:56,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455861, now seen corresponding path program 1 times [2025-01-10 02:12:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:56,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259223788] [2025-01-10 02:12:56,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:56,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:56,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:56,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:56,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:56,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:56,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:56,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259223788] [2025-01-10 02:12:56,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259223788] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:56,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:56,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:56,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75265870] [2025-01-10 02:12:56,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:56,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:56,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:56,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:56,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:56,370 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:56,433 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2025-01-10 02:12:56,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:56,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:56,435 INFO L225 Difference]: With dead ends: 106 [2025-01-10 02:12:56,436 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:12:56,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:56,438 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:56,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 75 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:56,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:12:56,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:12:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 86 states have internal predecessors, (102), 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) [2025-01-10 02:12:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2025-01-10 02:12:56,454 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 38 [2025-01-10 02:12:56,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:56,454 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2025-01-10 02:12:56,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2025-01-10 02:12:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:12:56,455 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:56,455 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:56,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:12:56,457 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:56,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:56,457 INFO L85 PathProgramCache]: Analyzing trace with hash -379622195, now seen corresponding path program 1 times [2025-01-10 02:12:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:56,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145266840] [2025-01-10 02:12:56,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:56,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:12:56,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:12:56,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:56,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:56,548 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:56,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:56,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145266840] [2025-01-10 02:12:56,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145266840] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:56,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:56,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:56,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711440641] [2025-01-10 02:12:56,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:56,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:56,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:56,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:56,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:56,549 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:56,612 INFO L93 Difference]: Finished difference Result 111 states and 137 transitions. [2025-01-10 02:12:56,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:56,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2025-01-10 02:12:56,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:56,613 INFO L225 Difference]: With dead ends: 111 [2025-01-10 02:12:56,613 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 02:12:56,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:56,614 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:56,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 122 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:56,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 02:12:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2025-01-10 02:12:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5538461538461539) internal successors, (101), 86 states have internal predecessors, (101), 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) [2025-01-10 02:12:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2025-01-10 02:12:56,623 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 39 [2025-01-10 02:12:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:56,623 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2025-01-10 02:12:56,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2025-01-10 02:12:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:12:56,624 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:56,624 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:56,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:12:56,624 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:56,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1116567228, now seen corresponding path program 1 times [2025-01-10 02:12:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564560141] [2025-01-10 02:12:56,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:56,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:56,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:12:56,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:12:56,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:56,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:56,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:56,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564560141] [2025-01-10 02:12:56,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564560141] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:56,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:56,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:56,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151271324] [2025-01-10 02:12:56,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:56,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:56,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:56,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:56,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:56,738 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:56,911 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2025-01-10 02:12:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:56,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-01-10 02:12:56,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:56,912 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:56,913 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 02:12:56,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:56,914 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 82 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:56,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 103 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 02:12:56,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2025-01-10 02:12:56,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 89 states have internal predecessors, (104), 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) [2025-01-10 02:12:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 134 transitions. [2025-01-10 02:12:56,935 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 134 transitions. Word has length 40 [2025-01-10 02:12:56,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:56,936 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 134 transitions. [2025-01-10 02:12:56,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 134 transitions. [2025-01-10 02:12:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:12:56,937 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:56,937 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 02:12:56,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:12:56,937 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:56,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:56,938 INFO L85 PathProgramCache]: Analyzing trace with hash 253845773, now seen corresponding path program 1 times [2025-01-10 02:12:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500553978] [2025-01-10 02:12:56,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:56,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:56,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:56,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:56,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:56,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2131928442] [2025-01-10 02:12:56,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:56,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:56,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:56,964 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) [2025-01-10 02:12:56,965 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 [2025-01-10 02:12:56,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:57,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:57,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:57,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:57,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:57,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:57,110 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:57,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:57,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500553978] [2025-01-10 02:12:57,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131928442] [2025-01-10 02:12:57,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131928442] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:57,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:57,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:57,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739498932] [2025-01-10 02:12:57,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:57,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:57,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:57,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:57,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:57,112 INFO L87 Difference]: Start difference. First operand 107 states and 134 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:57,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:57,194 INFO L93 Difference]: Finished difference Result 118 states and 141 transitions. [2025-01-10 02:12:57,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:57,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2025-01-10 02:12:57,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:57,195 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:57,195 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 02:12:57,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:57,196 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:57,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 95 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 02:12:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2025-01-10 02:12:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 90 states have internal predecessors, (103), 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) [2025-01-10 02:12:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2025-01-10 02:12:57,218 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 133 transitions. Word has length 41 [2025-01-10 02:12:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:57,218 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 133 transitions. [2025-01-10 02:12:57,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2025-01-10 02:12:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:12:57,219 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:57,219 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-10 02:12:57,226 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 [2025-01-10 02:12:57,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:12:57,420 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:57,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash -217514727, now seen corresponding path program 1 times [2025-01-10 02:12:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577755795] [2025-01-10 02:12:57,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:57,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:57,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:57,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:57,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:57,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130796952] [2025-01-10 02:12:57,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:57,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:57,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:57,449 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) [2025-01-10 02:12:57,451 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 [2025-01-10 02:12:57,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:57,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:57,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:57,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:57,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:12:57,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:57,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:57,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577755795] [2025-01-10 02:12:57,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:57,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130796952] [2025-01-10 02:12:57,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130796952] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:57,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:57,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:12:57,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671401155] [2025-01-10 02:12:57,784 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:57,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:12:57,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:57,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:12:57,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:57,786 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:57,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:57,943 INFO L93 Difference]: Finished difference Result 121 states and 150 transitions. [2025-01-10 02:12:57,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:12:57,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 52 [2025-01-10 02:12:57,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:57,944 INFO L225 Difference]: With dead ends: 121 [2025-01-10 02:12:57,944 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 02:12:57,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:57,945 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 53 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:57,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:57,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 02:12:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-01-10 02:12:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.381578947368421) internal successors, (105), 93 states have internal predecessors, (105), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 02:12:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2025-01-10 02:12:57,960 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 52 [2025-01-10 02:12:57,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:57,960 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2025-01-10 02:12:57,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2025-01-10 02:12:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:12:57,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:57,962 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-10 02:12:57,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:12:58,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:58,162 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:58,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:58,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1846978101, now seen corresponding path program 1 times [2025-01-10 02:12:58,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:58,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100031434] [2025-01-10 02:12:58,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:58,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:58,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:58,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:58,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:58,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269022177] [2025-01-10 02:12:58,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:58,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:58,179 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) [2025-01-10 02:12:58,185 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 [2025-01-10 02:12:58,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:58,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:58,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:58,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:58,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:12:58,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:58,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:58,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:58,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100031434] [2025-01-10 02:12:58,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:58,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269022177] [2025-01-10 02:12:58,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269022177] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:58,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:58,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:12:58,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774038576] [2025-01-10 02:12:58,527 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:58,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:12:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:58,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:12:58,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:58,527 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:58,725 INFO L93 Difference]: Finished difference Result 180 states and 233 transitions. [2025-01-10 02:12:58,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:12:58,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 53 [2025-01-10 02:12:58,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:58,728 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:12:58,728 INFO L226 Difference]: Without dead ends: 176 [2025-01-10 02:12:58,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:58,729 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 83 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:58,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 216 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-01-10 02:12:58,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 167. [2025-01-10 02:12:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 138 states have internal predecessors, (168), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:12:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 220 transitions. [2025-01-10 02:12:58,755 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 220 transitions. Word has length 53 [2025-01-10 02:12:58,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:58,756 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 220 transitions. [2025-01-10 02:12:58,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:58,757 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2025-01-10 02:12:58,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 02:12:58,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:58,759 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-10 02:12:58,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:58,963 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,SelfDestructingSolverStorable8 [2025-01-10 02:12:58,963 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:58,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash 461971118, now seen corresponding path program 1 times [2025-01-10 02:12:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:58,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895126458] [2025-01-10 02:12:58,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:58,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:58,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:12:58,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:12:58,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:58,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:12:59,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:59,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895126458] [2025-01-10 02:12:59,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895126458] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:59,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:59,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:59,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906385418] [2025-01-10 02:12:59,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:59,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:59,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:59,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:59,069 INFO L87 Difference]: Start difference. First operand 167 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:59,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:59,186 INFO L93 Difference]: Finished difference Result 176 states and 229 transitions. [2025-01-10 02:12:59,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:59,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2025-01-10 02:12:59,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:59,188 INFO L225 Difference]: With dead ends: 176 [2025-01-10 02:12:59,188 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 02:12:59,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:59,190 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:59,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 133 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:59,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 02:12:59,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 137. [2025-01-10 02:12:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 97 states have (on average 1.443298969072165) internal successors, (140), 114 states have internal predecessors, (140), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:12:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 180 transitions. [2025-01-10 02:12:59,224 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 180 transitions. Word has length 57 [2025-01-10 02:12:59,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:59,224 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 180 transitions. [2025-01-10 02:12:59,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2025-01-10 02:12:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:12:59,225 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:59,225 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:59,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:12:59,226 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:59,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash -953623300, now seen corresponding path program 1 times [2025-01-10 02:12:59,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:59,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997011895] [2025-01-10 02:12:59,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:59,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:59,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:59,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:59,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:59,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997011895] [2025-01-10 02:12:59,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997011895] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:59,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092497703] [2025-01-10 02:12:59,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:59,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:59,304 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) [2025-01-10 02:12:59,307 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 [2025-01-10 02:12:59,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:59,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:59,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:59,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:59,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:59,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:59,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:59,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092497703] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:59,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:59,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 02:12:59,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446173093] [2025-01-10 02:12:59,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:59,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:12:59,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:59,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:12:59,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:59,457 INFO L87 Difference]: Start difference. First operand 137 states and 180 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:59,597 INFO L93 Difference]: Finished difference Result 240 states and 312 transitions. [2025-01-10 02:12:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:59,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 61 [2025-01-10 02:12:59,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:59,600 INFO L225 Difference]: With dead ends: 240 [2025-01-10 02:12:59,600 INFO L226 Difference]: Without dead ends: 238 [2025-01-10 02:12:59,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:59,601 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 145 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:59,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 182 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:59,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-01-10 02:12:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 190. [2025-01-10 02:12:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.4428571428571428) internal successors, (202), 157 states have internal predecessors, (202), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:12:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2025-01-10 02:12:59,620 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 61 [2025-01-10 02:12:59,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:59,620 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2025-01-10 02:12:59,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2025-01-10 02:12:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 02:12:59,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:59,621 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:59,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:12:59,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:59,822 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:59,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:59,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1977915428, now seen corresponding path program 2 times [2025-01-10 02:12:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:59,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566864410] [2025-01-10 02:12:59,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:59,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:59,830 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:59,846 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:59,846 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:59,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:59,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359753783] [2025-01-10 02:12:59,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:59,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:59,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:59,850 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) [2025-01-10 02:12:59,852 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 [2025-01-10 02:12:59,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:59,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:59,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:59,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:59,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:12:59,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:13:00,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:00,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:00,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566864410] [2025-01-10 02:13:00,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:00,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359753783] [2025-01-10 02:13:00,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359753783] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:00,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:00,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 02:13:00,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656462392] [2025-01-10 02:13:00,325 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:00,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:13:00,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:00,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:13:00,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:13:00,326 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:00,815 INFO L93 Difference]: Finished difference Result 255 states and 348 transitions. [2025-01-10 02:13:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:13:00,815 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 75 [2025-01-10 02:13:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:00,817 INFO L225 Difference]: With dead ends: 255 [2025-01-10 02:13:00,817 INFO L226 Difference]: Without dead ends: 251 [2025-01-10 02:13:00,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:13:00,817 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 134 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:00,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 359 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:13:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-01-10 02:13:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 190. [2025-01-10 02:13:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.4285714285714286) internal successors, (200), 157 states have internal predecessors, (200), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:13:00,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 260 transitions. [2025-01-10 02:13:00,846 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 260 transitions. Word has length 75 [2025-01-10 02:13:00,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:00,846 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 260 transitions. [2025-01-10 02:13:00,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 260 transitions. [2025-01-10 02:13:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:13:00,847 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:00,848 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:00,855 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 [2025-01-10 02:13:01,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:01,048 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:01,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:01,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1785980644, now seen corresponding path program 1 times [2025-01-10 02:13:01,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:01,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505297710] [2025-01-10 02:13:01,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:01,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:01,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:13:01,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:13:01,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:01,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:13:01,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:01,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505297710] [2025-01-10 02:13:01,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505297710] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:01,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:01,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:13:01,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593847000] [2025-01-10 02:13:01,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:01,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:13:01,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:01,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:13:01,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:01,107 INFO L87 Difference]: Start difference. First operand 190 states and 260 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:13:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:01,173 INFO L93 Difference]: Finished difference Result 190 states and 260 transitions. [2025-01-10 02:13:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:13:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2025-01-10 02:13:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:01,175 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:13:01,175 INFO L226 Difference]: Without dead ends: 189 [2025-01-10 02:13:01,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:13:01,176 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:01,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:13:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-01-10 02:13:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-01-10 02:13:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 140 states have (on average 1.4071428571428573) internal successors, (197), 156 states have internal predecessors, (197), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:13:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 257 transitions. [2025-01-10 02:13:01,196 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 257 transitions. Word has length 82 [2025-01-10 02:13:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:01,196 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 257 transitions. [2025-01-10 02:13:01,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:13:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2025-01-10 02:13:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-10 02:13:01,197 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:01,197 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:01,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 02:13:01,198 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:01,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:01,198 INFO L85 PathProgramCache]: Analyzing trace with hash 469174983, now seen corresponding path program 1 times [2025-01-10 02:13:01,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:01,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789783366] [2025-01-10 02:13:01,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:01,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 02:13:01,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 02:13:01,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:01,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:13:01,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:01,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789783366] [2025-01-10 02:13:01,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789783366] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:01,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:01,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:13:01,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365102984] [2025-01-10 02:13:01,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:01,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:13:01,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:01,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:13:01,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:13:01,412 INFO L87 Difference]: Start difference. First operand 189 states and 257 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:13:01,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:01,692 INFO L93 Difference]: Finished difference Result 344 states and 486 transitions. [2025-01-10 02:13:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:13:01,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 83 [2025-01-10 02:13:01,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:01,695 INFO L225 Difference]: With dead ends: 344 [2025-01-10 02:13:01,695 INFO L226 Difference]: Without dead ends: 343 [2025-01-10 02:13:01,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:13:01,696 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 97 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:01,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 202 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:13:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2025-01-10 02:13:01,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 285. [2025-01-10 02:13:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 240 states have internal predecessors, (330), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:13:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 414 transitions. [2025-01-10 02:13:01,726 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 414 transitions. Word has length 83 [2025-01-10 02:13:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:01,726 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 414 transitions. [2025-01-10 02:13:01,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 02:13:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 414 transitions. [2025-01-10 02:13:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 02:13:01,727 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:01,727 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:01,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:13:01,728 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:01,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:01,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1659522686, now seen corresponding path program 1 times [2025-01-10 02:13:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:01,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241958897] [2025-01-10 02:13:01,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:01,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:01,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:13:01,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:13:01,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:01,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:13:01,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:01,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241958897] [2025-01-10 02:13:01,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241958897] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:01,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52804023] [2025-01-10 02:13:01,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:01,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:01,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:01,918 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) [2025-01-10 02:13:01,920 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 [2025-01-10 02:13:01,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:13:01,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:13:01,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:01,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:01,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:01,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:13:02,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:02,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52804023] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:02,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:02,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 02:13:02,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694430675] [2025-01-10 02:13:02,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:02,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:02,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:02,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:02,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:13:02,125 INFO L87 Difference]: Start difference. First operand 285 states and 414 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:13:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:02,299 INFO L93 Difference]: Finished difference Result 341 states and 482 transitions. [2025-01-10 02:13:02,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:13:02,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2025-01-10 02:13:02,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:02,301 INFO L225 Difference]: With dead ends: 341 [2025-01-10 02:13:02,301 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 02:13:02,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:13:02,303 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 49 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:02,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 137 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:02,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 02:13:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2025-01-10 02:13:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 233 states have (on average 1.4549356223175967) internal successors, (339), 249 states have internal predecessors, (339), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:13:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 423 transitions. [2025-01-10 02:13:02,349 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 423 transitions. Word has length 84 [2025-01-10 02:13:02,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:02,350 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 423 transitions. [2025-01-10 02:13:02,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:13:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 423 transitions. [2025-01-10 02:13:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 02:13:02,351 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:02,351 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:02,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:02,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:02,555 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:02,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash -94404183, now seen corresponding path program 1 times [2025-01-10 02:13:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:02,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428684987] [2025-01-10 02:13:02,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:02,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:02,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:13:02,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:13:02,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:02,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:13:02,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428684987] [2025-01-10 02:13:02,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428684987] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:02,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56608790] [2025-01-10 02:13:02,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:02,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:02,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:02,727 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) [2025-01-10 02:13:02,729 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 [2025-01-10 02:13:02,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:13:02,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:13:02,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:02,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:02,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:13:02,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:13:02,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:13:02,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56608790] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:02,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:02,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-10 02:13:02,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835071651] [2025-01-10 02:13:02,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:02,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:13:02,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:02,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:13:02,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:02,886 INFO L87 Difference]: Start difference. First operand 294 states and 423 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:13:02,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:02,997 INFO L93 Difference]: Finished difference Result 301 states and 429 transitions. [2025-01-10 02:13:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:13:02,997 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2025-01-10 02:13:02,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:02,999 INFO L225 Difference]: With dead ends: 301 [2025-01-10 02:13:02,999 INFO L226 Difference]: Without dead ends: 299 [2025-01-10 02:13:02,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:03,000 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 26 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:03,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 91 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:03,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-01-10 02:13:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2025-01-10 02:13:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 236 states have (on average 1.4406779661016949) internal successors, (340), 252 states have internal predecessors, (340), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-10 02:13:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2025-01-10 02:13:03,043 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 85 [2025-01-10 02:13:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:03,043 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2025-01-10 02:13:03,043 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, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:13:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2025-01-10 02:13:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:13:03,045 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:03,045 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:03,053 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 [2025-01-10 02:13:03,245 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 [2025-01-10 02:13:03,246 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:03,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:03,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1368437690, now seen corresponding path program 1 times [2025-01-10 02:13:03,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:03,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930902123] [2025-01-10 02:13:03,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:03,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:03,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:13:03,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:13:03,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:03,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:03,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714656722] [2025-01-10 02:13:03,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:03,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:03,279 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) [2025-01-10 02:13:03,281 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 [2025-01-10 02:13:03,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:13:03,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:13:03,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:03,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:03,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:13:03,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:13:03,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:04,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:04,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930902123] [2025-01-10 02:13:04,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:04,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714656722] [2025-01-10 02:13:04,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714656722] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:04,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:04,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:13:04,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657471115] [2025-01-10 02:13:04,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:04,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:04,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:04,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:04,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:13:04,264 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:04,800 INFO L93 Difference]: Finished difference Result 370 states and 523 transitions. [2025-01-10 02:13:04,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:13:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 86 [2025-01-10 02:13:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:04,803 INFO L225 Difference]: With dead ends: 370 [2025-01-10 02:13:04,803 INFO L226 Difference]: Without dead ends: 369 [2025-01-10 02:13:04,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:13:04,804 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 140 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:04,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 241 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:13:04,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-01-10 02:13:04,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 343. [2025-01-10 02:13:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 276 states have (on average 1.4130434782608696) internal successors, (390), 292 states have internal predecessors, (390), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-01-10 02:13:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 486 transitions. [2025-01-10 02:13:04,837 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 486 transitions. Word has length 86 [2025-01-10 02:13:04,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:04,837 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 486 transitions. [2025-01-10 02:13:04,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 486 transitions. [2025-01-10 02:13:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 02:13:04,839 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:04,839 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:04,846 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 [2025-01-10 02:13:05,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:13:05,040 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:05,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:05,040 INFO L85 PathProgramCache]: Analyzing trace with hash -528104501, now seen corresponding path program 1 times [2025-01-10 02:13:05,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:05,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228798707] [2025-01-10 02:13:05,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:05,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:05,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:13:05,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:13:05,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:05,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389988042] [2025-01-10 02:13:05,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:05,068 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) [2025-01-10 02:13:05,070 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 [2025-01-10 02:13:05,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:13:05,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:13:05,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:05,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:05,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:13:05,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:13:05,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:05,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:05,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228798707] [2025-01-10 02:13:05,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:05,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389988042] [2025-01-10 02:13:05,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389988042] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:05,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:05,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:13:05,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117278858] [2025-01-10 02:13:05,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:05,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:05,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:05,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:05,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:13:05,916 INFO L87 Difference]: Start difference. First operand 343 states and 486 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:06,372 INFO L93 Difference]: Finished difference Result 403 states and 570 transitions. [2025-01-10 02:13:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:13:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 87 [2025-01-10 02:13:06,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:06,375 INFO L225 Difference]: With dead ends: 403 [2025-01-10 02:13:06,375 INFO L226 Difference]: Without dead ends: 402 [2025-01-10 02:13:06,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:13:06,377 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 118 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:06,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 174 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:13:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-01-10 02:13:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 389. [2025-01-10 02:13:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 316 states have (on average 1.3860759493670887) internal successors, (438), 332 states have internal predecessors, (438), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:13:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 546 transitions. [2025-01-10 02:13:06,430 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 546 transitions. Word has length 87 [2025-01-10 02:13:06,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:06,431 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 546 transitions. [2025-01-10 02:13:06,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:13:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 546 transitions. [2025-01-10 02:13:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-10 02:13:06,432 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:06,432 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:06,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:13:06,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:13:06,636 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:06,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:06,636 INFO L85 PathProgramCache]: Analyzing trace with hash 808629724, now seen corresponding path program 1 times [2025-01-10 02:13:06,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717027030] [2025-01-10 02:13:06,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:06,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:06,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 02:13:06,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 02:13:06,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:06,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:13:06,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:06,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717027030] [2025-01-10 02:13:06,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717027030] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:06,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:06,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:13:06,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872836061] [2025-01-10 02:13:06,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:06,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:06,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:06,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:06,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:13:06,730 INFO L87 Difference]: Start difference. First operand 389 states and 546 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:13:06,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:06,913 INFO L93 Difference]: Finished difference Result 389 states and 546 transitions. [2025-01-10 02:13:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:13:06,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 88 [2025-01-10 02:13:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:06,918 INFO L225 Difference]: With dead ends: 389 [2025-01-10 02:13:06,918 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:13:06,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:13:06,919 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 68 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:06,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 111 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:13:06,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 379. [2025-01-10 02:13:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 307 states have (on average 1.3517915309446253) internal successors, (415), 322 states have internal predecessors, (415), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:13:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 523 transitions. [2025-01-10 02:13:06,954 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 523 transitions. Word has length 88 [2025-01-10 02:13:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:06,954 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 523 transitions. [2025-01-10 02:13:06,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:13:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 523 transitions. [2025-01-10 02:13:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-10 02:13:06,955 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:06,955 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:06,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 02:13:06,955 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:06,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:06,956 INFO L85 PathProgramCache]: Analyzing trace with hash -702282259, now seen corresponding path program 1 times [2025-01-10 02:13:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499197528] [2025-01-10 02:13:06,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:06,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:06,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:13:06,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:13:06,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:06,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:06,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509964279] [2025-01-10 02:13:06,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:06,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:06,981 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) [2025-01-10 02:13:06,983 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 [2025-01-10 02:13:07,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:13:07,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:13:07,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:07,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:07,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-10 02:13:07,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:13:07,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:13:09,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:09,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499197528] [2025-01-10 02:13:09,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:09,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509964279] [2025-01-10 02:13:09,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509964279] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:09,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:13:09,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2025-01-10 02:13:09,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873782272] [2025-01-10 02:13:09,681 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:09,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:13:09,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:09,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:13:09,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=384, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:13:09,682 INFO L87 Difference]: Start difference. First operand 379 states and 523 transitions. Second operand has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2025-01-10 02:13:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:15,407 INFO L93 Difference]: Finished difference Result 531 states and 731 transitions. [2025-01-10 02:13:15,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 02:13:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 89 [2025-01-10 02:13:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:15,410 INFO L225 Difference]: With dead ends: 531 [2025-01-10 02:13:15,410 INFO L226 Difference]: Without dead ends: 417 [2025-01-10 02:13:15,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=566, Invalid=1786, Unknown=0, NotChecked=0, Total=2352 [2025-01-10 02:13:15,414 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 319 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:15,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 267 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-10 02:13:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-01-10 02:13:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 375. [2025-01-10 02:13:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 307 states have (on average 1.3485342019543973) internal successors, (414), 322 states have internal predecessors, (414), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:13:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 514 transitions. [2025-01-10 02:13:15,460 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 514 transitions. Word has length 89 [2025-01-10 02:13:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:15,460 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 514 transitions. [2025-01-10 02:13:15,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.409090909090909) internal successors, (75), 23 states have internal predecessors, (75), 8 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2025-01-10 02:13:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 514 transitions. [2025-01-10 02:13:15,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 02:13:15,462 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:15,462 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:15,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:13:15,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:15,667 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:15,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash -343548717, now seen corresponding path program 3 times [2025-01-10 02:13:15,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:15,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754878535] [2025-01-10 02:13:15,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:13:15,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:15,673 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 9 equivalence classes. [2025-01-10 02:13:15,695 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 02:13:15,695 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:13:15,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:15,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023484681] [2025-01-10 02:13:15,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:13:15,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:15,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:15,700 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) [2025-01-10 02:13:15,703 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 [2025-01-10 02:13:15,728 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 9 equivalence classes. [2025-01-10 02:13:15,743 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 48 of 97 statements. [2025-01-10 02:13:15,743 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:13:15,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:15,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:13:15,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-01-10 02:13:17,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:17,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:17,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754878535] [2025-01-10 02:13:17,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:17,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023484681] [2025-01-10 02:13:17,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023484681] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:17,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:17,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:13:17,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643305998] [2025-01-10 02:13:17,530 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:17,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:17,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:17,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:17,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=196, Unknown=2, NotChecked=0, Total=240 [2025-01-10 02:13:17,532 INFO L87 Difference]: Start difference. First operand 375 states and 514 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:13:19,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:13:23,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:13:24,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:24,834 INFO L93 Difference]: Finished difference Result 404 states and 549 transitions. [2025-01-10 02:13:24,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:13:24,835 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 97 [2025-01-10 02:13:24,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:24,837 INFO L225 Difference]: With dead ends: 404 [2025-01-10 02:13:24,837 INFO L226 Difference]: Without dead ends: 400 [2025-01-10 02:13:24,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=130, Invalid=414, Unknown=8, NotChecked=0, Total=552 [2025-01-10 02:13:24,838 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 216 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 55 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:24,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 214 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 490 Invalid, 2 Unknown, 0 Unchecked, 3.3s Time] [2025-01-10 02:13:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2025-01-10 02:13:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 370. [2025-01-10 02:13:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 305 states have (on average 1.3114754098360655) internal successors, (400), 317 states have internal predecessors, (400), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:13:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 500 transitions. [2025-01-10 02:13:24,887 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 500 transitions. Word has length 97 [2025-01-10 02:13:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:24,888 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 500 transitions. [2025-01-10 02:13:24,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:13:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 500 transitions. [2025-01-10 02:13:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 02:13:24,889 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:24,889 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:24,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:13:25,089 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,SelfDestructingSolverStorable20 [2025-01-10 02:13:25,090 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:25,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:25,091 INFO L85 PathProgramCache]: Analyzing trace with hash -755212180, now seen corresponding path program 1 times [2025-01-10 02:13:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769703649] [2025-01-10 02:13:25,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:25,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:25,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:13:25,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:13:25,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:25,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:25,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [486074729] [2025-01-10 02:13:25,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:25,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:25,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:25,120 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) [2025-01-10 02:13:25,122 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 [2025-01-10 02:13:25,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:13:25,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:13:25,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:25,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:25,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:13:25,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:13:25,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:25,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769703649] [2025-01-10 02:13:25,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486074729] [2025-01-10 02:13:25,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486074729] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:25,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:25,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:13:25,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792132110] [2025-01-10 02:13:25,865 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:25,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:13:25,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:25,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:13:25,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:13:25,866 INFO L87 Difference]: Start difference. First operand 370 states and 500 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:13:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:26,135 INFO L93 Difference]: Finished difference Result 375 states and 507 transitions. [2025-01-10 02:13:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:13:26,136 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 103 [2025-01-10 02:13:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:26,139 INFO L225 Difference]: With dead ends: 375 [2025-01-10 02:13:26,139 INFO L226 Difference]: Without dead ends: 374 [2025-01-10 02:13:26,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:13:26,141 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:26,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 193 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:13:26,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-01-10 02:13:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 371. [2025-01-10 02:13:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 306 states have (on average 1.3104575163398693) internal successors, (401), 318 states have internal predecessors, (401), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 02:13:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 501 transitions. [2025-01-10 02:13:26,188 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 501 transitions. Word has length 103 [2025-01-10 02:13:26,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:26,188 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 501 transitions. [2025-01-10 02:13:26,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:13:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 501 transitions. [2025-01-10 02:13:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 02:13:26,191 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:26,191 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:26,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:13:26,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:26,392 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:26,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:26,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1936740987, now seen corresponding path program 1 times [2025-01-10 02:13:26,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:26,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400517516] [2025-01-10 02:13:26,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:26,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:26,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:13:26,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:13:26,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:26,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:26,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775867260] [2025-01-10 02:13:26,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:26,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:26,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:26,418 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) [2025-01-10 02:13:26,420 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 [2025-01-10 02:13:26,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:13:26,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:13:26,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:26,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:26,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:13:26,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 02:13:26,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:27,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:27,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400517516] [2025-01-10 02:13:27,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:27,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775867260] [2025-01-10 02:13:27,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775867260] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:27,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:27,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:13:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278742235] [2025-01-10 02:13:27,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:27,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:27,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:27,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:27,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:13:27,332 INFO L87 Difference]: Start difference. First operand 371 states and 501 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:13:27,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:27,790 INFO L93 Difference]: Finished difference Result 626 states and 863 transitions. [2025-01-10 02:13:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:13:27,791 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 104 [2025-01-10 02:13:27,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:27,793 INFO L225 Difference]: With dead ends: 626 [2025-01-10 02:13:27,793 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 02:13:27,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:13:27,794 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 95 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:27,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 337 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:13:27,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 02:13:27,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 384. [2025-01-10 02:13:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 315 states have (on average 1.326984126984127) internal successors, (418), 327 states have internal predecessors, (418), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:13:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 526 transitions. [2025-01-10 02:13:27,839 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 526 transitions. Word has length 104 [2025-01-10 02:13:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:27,839 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 526 transitions. [2025-01-10 02:13:27,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2025-01-10 02:13:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 526 transitions. [2025-01-10 02:13:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 02:13:27,842 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:27,842 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:27,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:13:28,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:28,043 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:28,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:28,044 INFO L85 PathProgramCache]: Analyzing trace with hash 90571662, now seen corresponding path program 1 times [2025-01-10 02:13:28,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:28,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151184786] [2025-01-10 02:13:28,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:28,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:28,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 02:13:28,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 02:13:28,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:28,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-10 02:13:28,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:28,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151184786] [2025-01-10 02:13:28,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151184786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:13:28,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:13:28,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:13:28,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254280077] [2025-01-10 02:13:28,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:13:28,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:13:28,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:28,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:13:28,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:13:28,136 INFO L87 Difference]: Start difference. First operand 384 states and 526 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:13:28,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:28,274 INFO L93 Difference]: Finished difference Result 384 states and 526 transitions. [2025-01-10 02:13:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:13:28,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2025-01-10 02:13:28,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:28,276 INFO L225 Difference]: With dead ends: 384 [2025-01-10 02:13:28,276 INFO L226 Difference]: Without dead ends: 383 [2025-01-10 02:13:28,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:13:28,277 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 40 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:28,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 140 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:13:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-01-10 02:13:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-01-10 02:13:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 315 states have (on average 1.3238095238095238) internal successors, (417), 326 states have internal predecessors, (417), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-01-10 02:13:28,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 525 transitions. [2025-01-10 02:13:28,324 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 525 transitions. Word has length 105 [2025-01-10 02:13:28,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:28,325 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 525 transitions. [2025-01-10 02:13:28,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:13:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 525 transitions. [2025-01-10 02:13:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-01-10 02:13:28,327 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:28,327 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:28,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-10 02:13:28,327 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:28,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash -2115002788, now seen corresponding path program 1 times [2025-01-10 02:13:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391222280] [2025-01-10 02:13:28,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:28,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 02:13:28,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 02:13:28,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:28,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:13:28,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:28,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391222280] [2025-01-10 02:13:28,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391222280] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:28,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395551222] [2025-01-10 02:13:28,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:28,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:28,411 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) [2025-01-10 02:13:28,414 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 [2025-01-10 02:13:28,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-01-10 02:13:28,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-01-10 02:13:28,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:28,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:28,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:13:28,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:13:28,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:28,648 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-01-10 02:13:28,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395551222] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:28,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:13:28,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 02:13:28,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041392104] [2025-01-10 02:13:28,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:28,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:13:28,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:28,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:13:28,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:13:28,650 INFO L87 Difference]: Start difference. First operand 383 states and 525 transitions. Second operand has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 02:13:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:28,890 INFO L93 Difference]: Finished difference Result 681 states and 916 transitions. [2025-01-10 02:13:28,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:13:28,890 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 107 [2025-01-10 02:13:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:28,893 INFO L225 Difference]: With dead ends: 681 [2025-01-10 02:13:28,893 INFO L226 Difference]: Without dead ends: 679 [2025-01-10 02:13:28,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:13:28,894 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 341 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:28,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 249 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:13:28,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2025-01-10 02:13:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 451. [2025-01-10 02:13:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 369 states have (on average 1.2953929539295392) internal successors, (478), 380 states have internal predecessors, (478), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:13:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 614 transitions. [2025-01-10 02:13:28,961 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 614 transitions. Word has length 107 [2025-01-10 02:13:28,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:28,961 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 614 transitions. [2025-01-10 02:13:28,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-01-10 02:13:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 614 transitions. [2025-01-10 02:13:28,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:13:28,962 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:28,962 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:28,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:29,163 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 [2025-01-10 02:13:29,163 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:29,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1487245657, now seen corresponding path program 1 times [2025-01-10 02:13:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:29,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656328064] [2025-01-10 02:13:29,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:29,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:29,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:13:29,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:13:29,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:29,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:29,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083944712] [2025-01-10 02:13:29,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:29,198 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) [2025-01-10 02:13:29,200 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 [2025-01-10 02:13:29,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:13:29,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:13:29,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:29,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:29,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:13:29,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:29,724 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 02:13:29,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:13:30,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:30,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656328064] [2025-01-10 02:13:30,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083944712] [2025-01-10 02:13:30,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083944712] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:30,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:13:30,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2025-01-10 02:13:30,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545861581] [2025-01-10 02:13:30,423 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:30,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 02:13:30,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:30,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 02:13:30,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:13:30,424 INFO L87 Difference]: Start difference. First operand 451 states and 614 transitions. Second operand has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:13:31,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:31,610 INFO L93 Difference]: Finished difference Result 495 states and 669 transitions. [2025-01-10 02:13:31,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:13:31,610 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 106 [2025-01-10 02:13:31,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:31,612 INFO L225 Difference]: With dead ends: 495 [2025-01-10 02:13:31,612 INFO L226 Difference]: Without dead ends: 488 [2025-01-10 02:13:31,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=269, Invalid=787, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:13:31,613 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 119 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:31,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 298 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:13:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-01-10 02:13:31,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 448. [2025-01-10 02:13:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 366 states have (on average 1.284153005464481) internal successors, (470), 377 states have internal predecessors, (470), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:13:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 606 transitions. [2025-01-10 02:13:31,671 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 606 transitions. Word has length 106 [2025-01-10 02:13:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:31,671 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 606 transitions. [2025-01-10 02:13:31,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.684210526315789) internal successors, (89), 20 states have internal predecessors, (89), 10 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-01-10 02:13:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 606 transitions. [2025-01-10 02:13:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 02:13:31,672 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:31,672 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:31,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:13:31,877 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 [2025-01-10 02:13:31,877 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:31,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:31,877 INFO L85 PathProgramCache]: Analyzing trace with hash 799865771, now seen corresponding path program 2 times [2025-01-10 02:13:31,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:31,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114316194] [2025-01-10 02:13:31,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:13:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:31,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 02:13:31,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 02:13:31,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:13:31,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:31,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991309615] [2025-01-10 02:13:31,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:13:31,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:31,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:31,908 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) [2025-01-10 02:13:31,910 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 [2025-01-10 02:13:31,934 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 02:13:31,960 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 02:13:31,960 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:13:31,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:31,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:13:31,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-01-10 02:13:32,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:32,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:32,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114316194] [2025-01-10 02:13:32,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991309615] [2025-01-10 02:13:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991309615] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:32,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:32,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:13:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329668207] [2025-01-10 02:13:32,592 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:32,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:13:32,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:32,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:13:32,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:13:32,593 INFO L87 Difference]: Start difference. First operand 448 states and 606 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 02:13:32,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:32,826 INFO L93 Difference]: Finished difference Result 507 states and 693 transitions. [2025-01-10 02:13:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:13:32,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 108 [2025-01-10 02:13:32,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:32,828 INFO L225 Difference]: With dead ends: 507 [2025-01-10 02:13:32,828 INFO L226 Difference]: Without dead ends: 505 [2025-01-10 02:13:32,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:13:32,829 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 71 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:32,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 231 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:13:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2025-01-10 02:13:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 446. [2025-01-10 02:13:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 366 states have (on average 1.215846994535519) internal successors, (445), 375 states have internal predecessors, (445), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-01-10 02:13:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 581 transitions. [2025-01-10 02:13:32,896 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 581 transitions. Word has length 108 [2025-01-10 02:13:32,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:32,896 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 581 transitions. [2025-01-10 02:13:32,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-01-10 02:13:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 581 transitions. [2025-01-10 02:13:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 02:13:32,897 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:32,897 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:13:32,905 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 [2025-01-10 02:13:33,098 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 [2025-01-10 02:13:33,098 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:33,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:33,098 INFO L85 PathProgramCache]: Analyzing trace with hash -973964806, now seen corresponding path program 2 times [2025-01-10 02:13:33,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:33,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003209508] [2025-01-10 02:13:33,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:13:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:33,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 02:13:33,116 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:13:33,118 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:13:33,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:33,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150690773] [2025-01-10 02:13:33,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:13:33,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:33,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:33,121 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) [2025-01-10 02:13:33,123 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 [2025-01-10 02:13:33,150 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 02:13:33,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:13:33,179 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:13:33,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:33,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:13:33,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-01-10 02:13:33,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:33,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:33,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003209508] [2025-01-10 02:13:33,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:13:33,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150690773] [2025-01-10 02:13:33,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150690773] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:33,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:13:33,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-01-10 02:13:33,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688890698] [2025-01-10 02:13:33,975 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:33,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:13:33,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:33,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:13:33,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:13:33,976 INFO L87 Difference]: Start difference. First operand 446 states and 581 transitions. Second operand has 16 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2025-01-10 02:13:34,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:34,548 INFO L93 Difference]: Finished difference Result 486 states and 632 transitions. [2025-01-10 02:13:34,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 02:13:34,549 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 109 [2025-01-10 02:13:34,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:34,551 INFO L225 Difference]: With dead ends: 486 [2025-01-10 02:13:34,551 INFO L226 Difference]: Without dead ends: 485 [2025-01-10 02:13:34,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:13:34,553 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 114 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:34,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 258 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:13:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2025-01-10 02:13:34,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 470. [2025-01-10 02:13:34,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 386 states have (on average 1.2098445595854923) internal successors, (467), 395 states have internal predecessors, (467), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-10 02:13:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 611 transitions. [2025-01-10 02:13:34,616 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 611 transitions. Word has length 109 [2025-01-10 02:13:34,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:34,616 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 611 transitions. [2025-01-10 02:13:34,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 7 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2025-01-10 02:13:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 611 transitions. [2025-01-10 02:13:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 02:13:34,617 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:34,617 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:13:34,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:13:34,821 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 [2025-01-10 02:13:34,821 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:34,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1914311496, now seen corresponding path program 1 times [2025-01-10 02:13:34,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:34,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134903924] [2025-01-10 02:13:34,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:34,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:13:34,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:13:34,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:34,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-10 02:13:35,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:13:35,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134903924] [2025-01-10 02:13:35,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134903924] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:13:35,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161985599] [2025-01-10 02:13:35,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:13:35,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:35,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:35,027 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) [2025-01-10 02:13:35,028 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 [2025-01-10 02:13:35,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 02:13:35,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 02:13:35,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:13:35,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:35,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:13:35,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:13:35,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:13:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:13:35,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161985599] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:13:35,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:13:35,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-01-10 02:13:35,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824932199] [2025-01-10 02:13:35,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:13:35,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:13:35,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:13:35,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:13:35,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:13:35,268 INFO L87 Difference]: Start difference. First operand 470 states and 611 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2025-01-10 02:13:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:13:36,050 INFO L93 Difference]: Finished difference Result 826 states and 1096 transitions. [2025-01-10 02:13:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:13:36,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 109 [2025-01-10 02:13:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:13:36,053 INFO L225 Difference]: With dead ends: 826 [2025-01-10 02:13:36,053 INFO L226 Difference]: Without dead ends: 699 [2025-01-10 02:13:36,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:13:36,054 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 163 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:13:36,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 467 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:13:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2025-01-10 02:13:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 466. [2025-01-10 02:13:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 382 states have (on average 1.2382198952879582) internal successors, (473), 391 states have internal predecessors, (473), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-10 02:13:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 617 transitions. [2025-01-10 02:13:36,122 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 617 transitions. Word has length 109 [2025-01-10 02:13:36,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:13:36,122 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 617 transitions. [2025-01-10 02:13:36,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 12 states have internal predecessors, (104), 7 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2025-01-10 02:13:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 617 transitions. [2025-01-10 02:13:36,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-01-10 02:13:36,122 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:13:36,123 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2025-01-10 02:13:36,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 02:13:36,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:13:36,323 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:13:36,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:13:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1953354473, now seen corresponding path program 3 times [2025-01-10 02:13:36,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:13:36,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57031579] [2025-01-10 02:13:36,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:13:36,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:13:36,328 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-01-10 02:13:36,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 131 of 131 statements. [2025-01-10 02:13:36,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:13:36,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:13:36,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898143484] [2025-01-10 02:13:36,371 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:13:36,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:13:36,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:13:36,376 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) [2025-01-10 02:13:36,378 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 [2025-01-10 02:13:36,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 131 statements into 9 equivalence classes. [2025-01-10 02:13:36,423 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 47 of 131 statements. [2025-01-10 02:13:36,423 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 02:13:36,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:13:36,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:13:36,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:14:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-01-10 02:14:08,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:14:15,443 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-10 02:14:15,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:14:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57031579] [2025-01-10 02:14:15,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:14:15,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898143484] [2025-01-10 02:14:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898143484] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:14:15,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:14:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:14:15,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114619039] [2025-01-10 02:14:15,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:14:15,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:14:15,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:14:15,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:14:15,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:14:15,446 INFO L87 Difference]: Start difference. First operand 466 states and 617 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 02:14:19,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:14:23,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []