./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.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 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:28:23,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:28:23,058 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:28:23,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:28:23,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:28:23,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:28:23,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:28:23,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:28:23,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:28:23,091 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:28:23,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:28:23,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:28:23,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:28:23,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:28:23,092 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:28:23,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:28:23,093 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:28:23,094 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:28:23,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:28:23,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:28:23,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:28:23,095 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 -> 1aca3c96522e618238f11f200c96e0ec490e756d4e04895bd2a51f9a4ff85af1 [2025-02-08 09:28:23,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:28:23,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:28:23,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:28:23,330 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:28:23,330 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:28:23,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2025-02-08 09:28:24,475 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ade93a5/4bcafb12e00541bbb05434efaf3e44cf/FLAGeaa1f5bb4 [2025-02-08 09:28:24,814 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:28:24,814 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound5.c [2025-02-08 09:28:24,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ade93a5/4bcafb12e00541bbb05434efaf3e44cf/FLAGeaa1f5bb4 [2025-02-08 09:28:25,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/19ade93a5/4bcafb12e00541bbb05434efaf3e44cf [2025-02-08 09:28:25,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:28:25,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:28:25,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:28:25,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:28:25,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:28:25,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e7df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25, skipping insertion in model container [2025-02-08 09:28:25,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:28:25,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:28:25,210 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:28:25,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:28:25,240 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:28:25,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25 WrapperNode [2025-02-08 09:28:25,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:28:25,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:28:25,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:28:25,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:28:25,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,263 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-02-08 09:28:25,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:28:25,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:28:25,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:28:25,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:28:25,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,285 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:28:25,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:28:25,290 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:28:25,290 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:28:25,290 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:28:25,291 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (1/1) ... [2025-02-08 09:28:25,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:28:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:25,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:28:25,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:28:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:28:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:28:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:28:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:28:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:28:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:28:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:28:25,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:28:25,382 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:28:25,383 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:28:25,714 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-02-08 09:28:25,714 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:28:25,729 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:28:25,731 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:28:25,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:28:25 BoogieIcfgContainer [2025-02-08 09:28:25,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:28:25,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:28:25,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:28:25,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:28:25,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:28:25" (1/3) ... [2025-02-08 09:28:25,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c13b71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:28:25, skipping insertion in model container [2025-02-08 09:28:25,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:28:25" (2/3) ... [2025-02-08 09:28:25,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c13b71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:28:25, skipping insertion in model container [2025-02-08 09:28:25,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:28:25" (3/3) ... [2025-02-08 09:28:25,741 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound5.c [2025-02-08 09:28:25,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:28:25,755 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound5.c that has 3 procedures, 130 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-02-08 09:28:25,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:28:25,811 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;@1da02479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:28:25,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-02-08 09:28:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 68 states have (on average 1.8529411764705883) internal successors, (126), 118 states have internal predecessors, (126), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:28:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:28:25,822 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:25,823 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:25,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:25,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1267744889, now seen corresponding path program 1 times [2025-02-08 09:28:25,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:25,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118866135] [2025-02-08 09:28:25,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:25,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:25,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:28:25,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:28:25,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:25,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:28:25,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:25,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118866135] [2025-02-08 09:28:25,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118866135] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:25,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031797271] [2025-02-08 09:28:25,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:25,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:25,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:25,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:25,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:28:25,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:28:25,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:28:25,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:25,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:25,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:28:25,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:26,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:28:26,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:26,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031797271] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:26,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:26,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:28:26,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120250765] [2025-02-08 09:28:26,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:26,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:28:26,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:26,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:28:26,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:28:26,039 INFO L87 Difference]: Start difference. First operand has 130 states, 68 states have (on average 1.8529411764705883) internal successors, (126), 118 states have internal predecessors, (126), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:26,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:26,062 INFO L93 Difference]: Finished difference Result 258 states and 294 transitions. [2025-02-08 09:28:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:28:26,063 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-02-08 09:28:26,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:26,072 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:28:26,076 INFO L226 Difference]: Without dead ends: 126 [2025-02-08 09:28:26,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:28:26,084 INFO L435 NwaCegarLoop]: 139 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, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:26,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:28:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-02-08 09:28:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-02-08 09:28:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 66 states have (on average 1.7878787878787878) internal successors, (118), 115 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:28:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 134 transitions. [2025-02-08 09:28:26,118 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 134 transitions. Word has length 25 [2025-02-08 09:28:26,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:26,118 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 134 transitions. [2025-02-08 09:28:26,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 134 transitions. [2025-02-08 09:28:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:28:26,120 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:26,120 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:26,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:28:26,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:28:26,325 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:26,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:26,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1325690786, now seen corresponding path program 1 times [2025-02-08 09:28:26,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:26,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52911317] [2025-02-08 09:28:26,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:26,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:26,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:28:26,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:28:26,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:26,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:26,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:26,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52911317] [2025-02-08 09:28:26,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52911317] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:26,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:26,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:28:26,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97351900] [2025-02-08 09:28:26,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:26,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:28:26,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:26,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:28:26,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:28:26,513 INFO L87 Difference]: Start difference. First operand 126 states and 134 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:26,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:26,761 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2025-02-08 09:28:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:28:26,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-02-08 09:28:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:26,763 INFO L225 Difference]: With dead ends: 215 [2025-02-08 09:28:26,763 INFO L226 Difference]: Without dead ends: 187 [2025-02-08 09:28:26,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:28:26,764 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 208 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:26,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 324 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-08 09:28:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 128. [2025-02-08 09:28:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 117 states have internal predecessors, (120), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:28:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2025-02-08 09:28:26,773 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 26 [2025-02-08 09:28:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:26,773 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2025-02-08 09:28:26,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2025-02-08 09:28:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:28:26,774 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:26,774 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:26,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:28:26,774 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:26,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1425400835, now seen corresponding path program 1 times [2025-02-08 09:28:26,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:26,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418507168] [2025-02-08 09:28:26,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:26,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:28:26,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:28:26,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:26,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:26,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [889478952] [2025-02-08 09:28:26,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:26,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:26,791 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:26,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:28:26,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:28:26,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:28:26,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:26,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:26,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:28:26,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:26,836 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:26,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:26,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418507168] [2025-02-08 09:28:26,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:26,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889478952] [2025-02-08 09:28:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889478952] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:28:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955189158] [2025-02-08 09:28:26,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:26,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:28:26,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:26,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:28:26,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:26,838 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:26,915 INFO L93 Difference]: Finished difference Result 197 states and 215 transitions. [2025-02-08 09:28:26,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:28:26,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-02-08 09:28:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:26,917 INFO L225 Difference]: With dead ends: 197 [2025-02-08 09:28:26,917 INFO L226 Difference]: Without dead ends: 193 [2025-02-08 09:28:26,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:26,918 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 59 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:26,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 221 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:26,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-02-08 09:28:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 167. [2025-02-08 09:28:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7766990291262137) internal successors, (183), 152 states have internal predecessors, (183), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 207 transitions. [2025-02-08 09:28:26,926 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 207 transitions. Word has length 29 [2025-02-08 09:28:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:26,926 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 207 transitions. [2025-02-08 09:28:26,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 207 transitions. [2025-02-08 09:28:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:28:26,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:26,927 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:26,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:28:27,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:27,128 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:27,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:27,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1425396897, now seen corresponding path program 1 times [2025-02-08 09:28:27,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:27,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844682623] [2025-02-08 09:28:27,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:27,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:28:27,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:28:27,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:27,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799710525] [2025-02-08 09:28:27,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:27,148 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:27,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:28:27,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:28:27,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:28:27,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:27,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:28:27,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:27,212 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844682623] [2025-02-08 09:28:27,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799710525] [2025-02-08 09:28:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799710525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:27,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:27,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:28:27,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308613652] [2025-02-08 09:28:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:27,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:28:27,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:27,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:28:27,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:27,213 INFO L87 Difference]: Start difference. First operand 167 states and 207 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:27,264 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2025-02-08 09:28:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:28:27,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-02-08 09:28:27,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:27,266 INFO L225 Difference]: With dead ends: 195 [2025-02-08 09:28:27,266 INFO L226 Difference]: Without dead ends: 193 [2025-02-08 09:28:27,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:27,266 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 59 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:27,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 239 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:28:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-02-08 09:28:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 167. [2025-02-08 09:28:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7572815533980584) internal successors, (181), 152 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 205 transitions. [2025-02-08 09:28:27,274 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 205 transitions. Word has length 29 [2025-02-08 09:28:27,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:27,275 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 205 transitions. [2025-02-08 09:28:27,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 205 transitions. [2025-02-08 09:28:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:28:27,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:27,275 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:27,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:28:27,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:27,476 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:27,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:27,477 INFO L85 PathProgramCache]: Analyzing trace with hash 284365371, now seen corresponding path program 1 times [2025-02-08 09:28:27,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:27,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899638121] [2025-02-08 09:28:27,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:27,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:28:27,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:28:27,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:27,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:27,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899638121] [2025-02-08 09:28:27,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899638121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:27,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:27,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:28:27,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393888182] [2025-02-08 09:28:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:27,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:27,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:27,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:27,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:27,600 INFO L87 Difference]: Start difference. First operand 167 states and 205 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:27,707 INFO L93 Difference]: Finished difference Result 190 states and 209 transitions. [2025-02-08 09:28:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-02-08 09:28:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:27,709 INFO L225 Difference]: With dead ends: 190 [2025-02-08 09:28:27,709 INFO L226 Difference]: Without dead ends: 189 [2025-02-08 09:28:27,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:27,709 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 54 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:27,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 343 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:27,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-08 09:28:27,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 168. [2025-02-08 09:28:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.75) internal successors, (182), 153 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2025-02-08 09:28:27,720 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 31 [2025-02-08 09:28:27,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:27,721 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2025-02-08 09:28:27,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2025-02-08 09:28:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:28:27,721 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:27,721 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:27,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:28:27,726 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:27,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash 288151805, now seen corresponding path program 1 times [2025-02-08 09:28:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:27,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344709321] [2025-02-08 09:28:27,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:27,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:28:27,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:28:27,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:27,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609075522] [2025-02-08 09:28:27,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:27,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:27,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:27,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:27,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:28:27,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:28:27,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:28:27,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:27,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:27,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:27,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:27,913 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:27,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344709321] [2025-02-08 09:28:27,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:27,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609075522] [2025-02-08 09:28:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609075522] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:27,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316376918] [2025-02-08 09:28:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:27,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:27,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:27,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:27,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:27,914 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:28,023 INFO L93 Difference]: Finished difference Result 187 states and 206 transitions. [2025-02-08 09:28:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-02-08 09:28:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:28,024 INFO L225 Difference]: With dead ends: 187 [2025-02-08 09:28:28,024 INFO L226 Difference]: Without dead ends: 186 [2025-02-08 09:28:28,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:28,024 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 186 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:28,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 185 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:28,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-08 09:28:28,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2025-02-08 09:28:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 104 states have (on average 1.7403846153846154) internal successors, (181), 153 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:28,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 205 transitions. [2025-02-08 09:28:28,039 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 205 transitions. Word has length 31 [2025-02-08 09:28:28,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:28,039 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 205 transitions. [2025-02-08 09:28:28,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 205 transitions. [2025-02-08 09:28:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:28:28,040 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:28,040 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:28,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:28,246 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,SelfDestructingSolverStorable5 [2025-02-08 09:28:28,246 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:28,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:28,246 INFO L85 PathProgramCache]: Analyzing trace with hash 225391917, now seen corresponding path program 1 times [2025-02-08 09:28:28,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:28,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924354889] [2025-02-08 09:28:28,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:28,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:28:28,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:28:28,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:28,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385801797] [2025-02-08 09:28:28,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:28,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:28,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:28:28,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:28:28,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:28:28,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:28,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:28:28,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:28,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:28,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:28,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924354889] [2025-02-08 09:28:28,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:28,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385801797] [2025-02-08 09:28:28,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385801797] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:28,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:28,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814147454] [2025-02-08 09:28:28,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:28,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:28,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:28,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:28,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:28,348 INFO L87 Difference]: Start difference. First operand 168 states and 205 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:28,515 INFO L93 Difference]: Finished difference Result 188 states and 207 transitions. [2025-02-08 09:28:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:28,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-02-08 09:28:28,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:28,517 INFO L225 Difference]: With dead ends: 188 [2025-02-08 09:28:28,517 INFO L226 Difference]: Without dead ends: 187 [2025-02-08 09:28:28,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:28,517 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 53 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:28,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 289 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:28,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-08 09:28:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2025-02-08 09:28:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.7333333333333334) internal successors, (182), 154 states have internal predecessors, (182), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 206 transitions. [2025-02-08 09:28:28,524 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 206 transitions. Word has length 32 [2025-02-08 09:28:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:28,524 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 206 transitions. [2025-02-08 09:28:28,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 206 transitions. [2025-02-08 09:28:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:28:28,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:28,525 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:28,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:28:28,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,728 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:28,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:28,729 INFO L85 PathProgramCache]: Analyzing trace with hash 342771434, now seen corresponding path program 1 times [2025-02-08 09:28:28,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554565461] [2025-02-08 09:28:28,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:28,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:28:28,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:28:28,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240483706] [2025-02-08 09:28:28,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:28,760 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:28,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:28:28,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:28:28,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:28:28,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:28,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:28,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:28,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:28,850 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:28,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554565461] [2025-02-08 09:28:28,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:28,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240483706] [2025-02-08 09:28:28,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240483706] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:28,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:28,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668510470] [2025-02-08 09:28:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:28,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:28,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:28,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:28,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:28,852 INFO L87 Difference]: Start difference. First operand 169 states and 206 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:28,957 INFO L93 Difference]: Finished difference Result 188 states and 206 transitions. [2025-02-08 09:28:28,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:28,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-02-08 09:28:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:28,959 INFO L225 Difference]: With dead ends: 188 [2025-02-08 09:28:28,959 INFO L226 Difference]: Without dead ends: 187 [2025-02-08 09:28:28,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:28,959 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 184 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:28,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 185 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-08 09:28:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 169. [2025-02-08 09:28:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 105 states have (on average 1.723809523809524) internal successors, (181), 154 states have internal predecessors, (181), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:28:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 205 transitions. [2025-02-08 09:28:28,969 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 205 transitions. Word has length 32 [2025-02-08 09:28:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:28,969 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 205 transitions. [2025-02-08 09:28:28,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 205 transitions. [2025-02-08 09:28:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:28:28,971 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:28,971 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:28,977 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 [2025-02-08 09:28:29,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 09:28:29,172 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:29,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:29,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1602785159, now seen corresponding path program 1 times [2025-02-08 09:28:29,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:29,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110527531] [2025-02-08 09:28:29,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:29,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:28:29,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:28:29,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:29,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578157190] [2025-02-08 09:28:29,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:29,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:29,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:28:29,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:28:29,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:28:29,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:29,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:28:29,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:29,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:29,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110527531] [2025-02-08 09:28:29,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578157190] [2025-02-08 09:28:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578157190] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:29,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:29,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:28:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104895249] [2025-02-08 09:28:29,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:29,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:28:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:29,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:28:29,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:29,251 INFO L87 Difference]: Start difference. First operand 169 states and 205 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:29,324 INFO L93 Difference]: Finished difference Result 283 states and 361 transitions. [2025-02-08 09:28:29,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:28:29,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-02-08 09:28:29,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:29,326 INFO L225 Difference]: With dead ends: 283 [2025-02-08 09:28:29,326 INFO L226 Difference]: Without dead ends: 277 [2025-02-08 09:28:29,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:28:29,326 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 56 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:29,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 216 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-08 09:28:29,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2025-02-08 09:28:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.69364161849711) internal successors, (293), 222 states have internal predecessors, (293), 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) [2025-02-08 09:28:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 333 transitions. [2025-02-08 09:28:29,336 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 333 transitions. Word has length 33 [2025-02-08 09:28:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:29,336 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 333 transitions. [2025-02-08 09:28:29,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 333 transitions. [2025-02-08 09:28:29,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:28:29,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:29,337 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:29,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:28:29,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,538 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:29,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2035979931, now seen corresponding path program 1 times [2025-02-08 09:28:29,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:29,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955805619] [2025-02-08 09:28:29,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:29,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:28:29,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:28:29,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:29,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218914416] [2025-02-08 09:28:29,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:29,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:29,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:28:29,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:28:29,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:28:29,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:29,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:29,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:29,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:29,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:29,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955805619] [2025-02-08 09:28:29,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:29,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218914416] [2025-02-08 09:28:29,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218914416] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:29,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:29,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:29,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040095475] [2025-02-08 09:28:29,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:29,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:29,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:29,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:29,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:29,610 INFO L87 Difference]: Start difference. First operand 245 states and 333 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:29,733 INFO L93 Difference]: Finished difference Result 270 states and 337 transitions. [2025-02-08 09:28:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:29,734 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-02-08 09:28:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:29,735 INFO L225 Difference]: With dead ends: 270 [2025-02-08 09:28:29,735 INFO L226 Difference]: Without dead ends: 269 [2025-02-08 09:28:29,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:29,735 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 57 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:29,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-02-08 09:28:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 245. [2025-02-08 09:28:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.6820809248554913) internal successors, (291), 222 states have internal predecessors, (291), 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) [2025-02-08 09:28:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 331 transitions. [2025-02-08 09:28:29,753 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 331 transitions. Word has length 33 [2025-02-08 09:28:29,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:29,753 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 331 transitions. [2025-02-08 09:28:29,754 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 331 transitions. [2025-02-08 09:28:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:28:29,754 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:29,754 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:29,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:29,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,955 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:29,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1309131512, now seen corresponding path program 1 times [2025-02-08 09:28:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042601615] [2025-02-08 09:28:29,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:29,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:28:29,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:28:29,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [306427327] [2025-02-08 09:28:29,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:29,968 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:29,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:28:29,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:28:29,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:28:29,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:29,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:29,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:29,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:30,055 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042601615] [2025-02-08 09:28:30,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306427327] [2025-02-08 09:28:30,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306427327] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:30,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:30,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:30,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952512544] [2025-02-08 09:28:30,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:30,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:30,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:30,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:30,057 INFO L87 Difference]: Start difference. First operand 245 states and 331 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:30,238 INFO L93 Difference]: Finished difference Result 271 states and 336 transitions. [2025-02-08 09:28:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:30,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-02-08 09:28:30,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:30,239 INFO L225 Difference]: With dead ends: 271 [2025-02-08 09:28:30,239 INFO L226 Difference]: Without dead ends: 270 [2025-02-08 09:28:30,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:30,240 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 57 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:30,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 326 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:30,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-02-08 09:28:30,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 245. [2025-02-08 09:28:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 173 states have (on average 1.670520231213873) internal successors, (289), 222 states have internal predecessors, (289), 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) [2025-02-08 09:28:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 329 transitions. [2025-02-08 09:28:30,251 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 329 transitions. Word has length 34 [2025-02-08 09:28:30,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:30,251 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 329 transitions. [2025-02-08 09:28:30,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 329 transitions. [2025-02-08 09:28:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:28:30,252 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:30,252 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:30,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:30,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:30,457 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:30,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:30,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1616721591, now seen corresponding path program 1 times [2025-02-08 09:28:30,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:30,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972576939] [2025-02-08 09:28:30,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:30,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:30,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:28:30,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:28:30,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:30,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:30,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:30,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:30,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972576939] [2025-02-08 09:28:30,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972576939] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:30,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:30,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:28:30,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323151496] [2025-02-08 09:28:30,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:30,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:30,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:30,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:30,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:30,557 INFO L87 Difference]: Start difference. First operand 245 states and 329 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:30,640 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2025-02-08 09:28:30,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:30,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2025-02-08 09:28:30,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:30,641 INFO L225 Difference]: With dead ends: 274 [2025-02-08 09:28:30,641 INFO L226 Difference]: Without dead ends: 273 [2025-02-08 09:28:30,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:30,641 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 56 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:30,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 355 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:30,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-02-08 09:28:30,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 250. [2025-02-08 09:28:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 178 states have (on average 1.6629213483146068) internal successors, (296), 227 states have internal predecessors, (296), 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) [2025-02-08 09:28:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 336 transitions. [2025-02-08 09:28:30,650 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 336 transitions. Word has length 35 [2025-02-08 09:28:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:30,650 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 336 transitions. [2025-02-08 09:28:30,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 336 transitions. [2025-02-08 09:28:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:28:30,650 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:30,651 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:30,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:28:30,651 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:30,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1421238231, now seen corresponding path program 1 times [2025-02-08 09:28:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401089953] [2025-02-08 09:28:30,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:30,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:28:30,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:28:30,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:30,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:30,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463957828] [2025-02-08 09:28:30,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:30,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:30,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:30,662 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:30,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:28:30,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:28:30,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:28:30,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:30,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:30,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:28:30,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:30,756 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:30,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401089953] [2025-02-08 09:28:30,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:30,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463957828] [2025-02-08 09:28:30,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463957828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:30,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:30,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:28:30,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777589470] [2025-02-08 09:28:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:30,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:30,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:30,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:30,757 INFO L87 Difference]: Start difference. First operand 250 states and 336 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:30,906 INFO L93 Difference]: Finished difference Result 291 states and 347 transitions. [2025-02-08 09:28:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-02-08 09:28:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:30,907 INFO L225 Difference]: With dead ends: 291 [2025-02-08 09:28:30,907 INFO L226 Difference]: Without dead ends: 290 [2025-02-08 09:28:30,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:30,908 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 108 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:30,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 438 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-02-08 09:28:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2025-02-08 09:28:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 180 states have (on average 1.6555555555555554) internal successors, (298), 229 states have internal predecessors, (298), 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) [2025-02-08 09:28:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 338 transitions. [2025-02-08 09:28:30,916 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 338 transitions. Word has length 36 [2025-02-08 09:28:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:30,916 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 338 transitions. [2025-02-08 09:28:30,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 338 transitions. [2025-02-08 09:28:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:28:30,917 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:30,917 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:30,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:28:31,121 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,SelfDestructingSolverStorable12 [2025-02-08 09:28:31,121 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:31,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:31,122 INFO L85 PathProgramCache]: Analyzing trace with hash -320445576, now seen corresponding path program 1 times [2025-02-08 09:28:31,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:31,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341383858] [2025-02-08 09:28:31,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:31,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:31,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:28:31,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:28:31,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:31,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:31,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:31,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341383858] [2025-02-08 09:28:31,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341383858] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:31,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557536075] [2025-02-08 09:28:31,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:31,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:31,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:31,215 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:31,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:28:31,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:28:31,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:28:31,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:31,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:31,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:28:31,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:31,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:31,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557536075] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:31,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:28:31,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-02-08 09:28:31,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996190755] [2025-02-08 09:28:31,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:31,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:31,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:31,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:31,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:28:31,342 INFO L87 Difference]: Start difference. First operand 252 states and 338 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:31,810 INFO L93 Difference]: Finished difference Result 555 states and 697 transitions. [2025-02-08 09:28:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:28:31,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-02-08 09:28:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:31,813 INFO L225 Difference]: With dead ends: 555 [2025-02-08 09:28:31,813 INFO L226 Difference]: Without dead ends: 527 [2025-02-08 09:28:31,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:28:31,814 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 509 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:31,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 787 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:28:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2025-02-08 09:28:31,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 344. [2025-02-08 09:28:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.7045454545454546) internal successors, (450), 313 states have internal predecessors, (450), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:28:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 506 transitions. [2025-02-08 09:28:31,829 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 506 transitions. Word has length 39 [2025-02-08 09:28:31,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:31,829 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 506 transitions. [2025-02-08 09:28:31,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 506 transitions. [2025-02-08 09:28:31,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:28:31,830 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:31,830 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:31,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:28:32,030 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,SelfDestructingSolverStorable13 [2025-02-08 09:28:32,031 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:32,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2075996968, now seen corresponding path program 1 times [2025-02-08 09:28:32,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:32,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183459921] [2025-02-08 09:28:32,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:32,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:32,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:32,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:32,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:32,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:32,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122391951] [2025-02-08 09:28:32,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:32,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:32,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:32,048 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:32,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:28:32,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:32,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:32,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:32,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:32,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:32,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:32,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:32,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:32,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183459921] [2025-02-08 09:28:32,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:32,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122391951] [2025-02-08 09:28:32,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122391951] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:32,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:32,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:32,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342933002] [2025-02-08 09:28:32,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:32,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:32,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:32,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:32,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:32,121 INFO L87 Difference]: Start difference. First operand 344 states and 506 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:28:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:32,206 INFO L93 Difference]: Finished difference Result 362 states and 508 transitions. [2025-02-08 09:28:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:32,206 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 42 [2025-02-08 09:28:32,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:32,211 INFO L225 Difference]: With dead ends: 362 [2025-02-08 09:28:32,212 INFO L226 Difference]: Without dead ends: 361 [2025-02-08 09:28:32,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:32,212 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 190 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:32,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 179 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-08 09:28:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 344. [2025-02-08 09:28:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 264 states have (on average 1.696969696969697) internal successors, (448), 313 states have internal predecessors, (448), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:28:32,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 504 transitions. [2025-02-08 09:28:32,225 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 504 transitions. Word has length 42 [2025-02-08 09:28:32,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:32,225 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 504 transitions. [2025-02-08 09:28:32,225 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:28:32,225 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 504 transitions. [2025-02-08 09:28:32,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:28:32,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:32,225 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:32,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:28:32,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:32,426 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:32,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:32,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1322666501, now seen corresponding path program 1 times [2025-02-08 09:28:32,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:32,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262459477] [2025-02-08 09:28:32,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:32,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:32,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:32,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:32,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:32,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257130733] [2025-02-08 09:28:32,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:32,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:32,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:32,442 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:32,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:28:32,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:28:32,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:28:32,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:32,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:32,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:28:32,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:28:32,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:32,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:32,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262459477] [2025-02-08 09:28:32,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:32,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257130733] [2025-02-08 09:28:32,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257130733] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:32,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:32,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-08 09:28:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520148155] [2025-02-08 09:28:32,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:32,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:28:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:32,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:28:32,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:28:32,789 INFO L87 Difference]: Start difference. First operand 344 states and 504 transitions. Second operand has 12 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:28:33,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:33,343 INFO L93 Difference]: Finished difference Result 662 states and 955 transitions. [2025-02-08 09:28:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:28:33,343 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2025-02-08 09:28:33,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:33,345 INFO L225 Difference]: With dead ends: 662 [2025-02-08 09:28:33,345 INFO L226 Difference]: Without dead ends: 659 [2025-02-08 09:28:33,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:28:33,346 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 840 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:33,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 951 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:28:33,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2025-02-08 09:28:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 387. [2025-02-08 09:28:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 305 states have (on average 1.6721311475409837) internal successors, (510), 354 states have internal predecessors, (510), 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) [2025-02-08 09:28:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 570 transitions. [2025-02-08 09:28:33,371 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 570 transitions. Word has length 42 [2025-02-08 09:28:33,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:33,371 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 570 transitions. [2025-02-08 09:28:33,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.0) internal successors, (50), 9 states have internal predecessors, (50), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:28:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 570 transitions. [2025-02-08 09:28:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:28:33,372 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:33,372 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:33,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:28:33,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:33,573 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:33,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:33,573 INFO L85 PathProgramCache]: Analyzing trace with hash -68603374, now seen corresponding path program 1 times [2025-02-08 09:28:33,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:33,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535826581] [2025-02-08 09:28:33,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:33,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:33,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:33,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:33,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:33,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051517470] [2025-02-08 09:28:33,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:33,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:33,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:33,584 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:33,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:28:33,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:33,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:33,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:33,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:33,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:33,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:33,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:33,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:33,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535826581] [2025-02-08 09:28:33,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:33,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051517470] [2025-02-08 09:28:33,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051517470] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:33,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:33,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:33,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457234170] [2025-02-08 09:28:33,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:33,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:33,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:33,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:33,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:33,669 INFO L87 Difference]: Start difference. First operand 387 states and 570 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:28:33,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:33,783 INFO L93 Difference]: Finished difference Result 405 states and 572 transitions. [2025-02-08 09:28:33,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:33,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 43 [2025-02-08 09:28:33,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:33,785 INFO L225 Difference]: With dead ends: 405 [2025-02-08 09:28:33,785 INFO L226 Difference]: Without dead ends: 404 [2025-02-08 09:28:33,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:33,786 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 188 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:33,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 179 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:33,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-02-08 09:28:33,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 387. [2025-02-08 09:28:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 305 states have (on average 1.6655737704918032) internal successors, (508), 354 states have internal predecessors, (508), 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) [2025-02-08 09:28:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 568 transitions. [2025-02-08 09:28:33,815 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 568 transitions. Word has length 43 [2025-02-08 09:28:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:33,815 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 568 transitions. [2025-02-08 09:28:33,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:28:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 568 transitions. [2025-02-08 09:28:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:28:33,815 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:33,815 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:33,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:28:34,020 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,SelfDestructingSolverStorable16 [2025-02-08 09:28:34,020 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1947011354, now seen corresponding path program 1 times [2025-02-08 09:28:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426734663] [2025-02-08 09:28:34,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:34,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:34,024 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:34,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:34,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:34,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:34,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118428086] [2025-02-08 09:28:34,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:34,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:34,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:34,031 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:34,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:28:34,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:28:34,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:28:34,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:34,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:34,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:28:34,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:28:34,177 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:34,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426734663] [2025-02-08 09:28:34,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:34,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118428086] [2025-02-08 09:28:34,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118428086] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:34,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:34,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:28:34,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316769066] [2025-02-08 09:28:34,436 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:34,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:28:34,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:34,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:28:34,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:28:34,437 INFO L87 Difference]: Start difference. First operand 387 states and 568 transitions. Second operand has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:34,689 INFO L93 Difference]: Finished difference Result 629 states and 918 transitions. [2025-02-08 09:28:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:28:34,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-08 09:28:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:34,692 INFO L225 Difference]: With dead ends: 629 [2025-02-08 09:28:34,692 INFO L226 Difference]: Without dead ends: 627 [2025-02-08 09:28:34,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:28:34,692 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:34,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 483 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:34,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2025-02-08 09:28:34,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 552. [2025-02-08 09:28:34,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 452 states have (on average 1.7079646017699115) internal successors, (772), 501 states have internal predecessors, (772), 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) [2025-02-08 09:28:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 868 transitions. [2025-02-08 09:28:34,728 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 868 transitions. Word has length 43 [2025-02-08 09:28:34,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:34,729 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 868 transitions. [2025-02-08 09:28:34,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 868 transitions. [2025-02-08 09:28:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:28:34,729 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:34,729 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:34,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:28:34,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:28:34,934 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:34,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2126704538, now seen corresponding path program 1 times [2025-02-08 09:28:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758736812] [2025-02-08 09:28:34,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:34,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:34,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:34,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:34,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:34,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662336981] [2025-02-08 09:28:34,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:34,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:34,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:34,945 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:34,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:28:34,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:34,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:34,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:34,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:34,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:34,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:35,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:35,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758736812] [2025-02-08 09:28:35,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:35,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662336981] [2025-02-08 09:28:35,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662336981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:35,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:35,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:35,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295978408] [2025-02-08 09:28:35,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:35,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:35,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:35,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:35,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:35,018 INFO L87 Difference]: Start difference. First operand 552 states and 868 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:28:35,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:35,182 INFO L93 Difference]: Finished difference Result 580 states and 880 transitions. [2025-02-08 09:28:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:35,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 44 [2025-02-08 09:28:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:35,185 INFO L225 Difference]: With dead ends: 580 [2025-02-08 09:28:35,185 INFO L226 Difference]: Without dead ends: 579 [2025-02-08 09:28:35,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:35,185 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 57 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:35,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 303 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2025-02-08 09:28:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 552. [2025-02-08 09:28:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 452 states have (on average 1.7035398230088497) internal successors, (770), 501 states have internal predecessors, (770), 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) [2025-02-08 09:28:35,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 866 transitions. [2025-02-08 09:28:35,211 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 866 transitions. Word has length 44 [2025-02-08 09:28:35,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:35,211 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 866 transitions. [2025-02-08 09:28:35,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:28:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 866 transitions. [2025-02-08 09:28:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:28:35,211 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:35,211 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:35,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:28:35,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:35,416 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:35,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:35,416 INFO L85 PathProgramCache]: Analyzing trace with hash -231596191, now seen corresponding path program 1 times [2025-02-08 09:28:35,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:35,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991776126] [2025-02-08 09:28:35,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:35,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:35,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:35,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:35,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:35,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:35,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:35,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991776126] [2025-02-08 09:28:35,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991776126] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:35,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270289497] [2025-02-08 09:28:35,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:35,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:35,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:35,505 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:35,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:28:35,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:35,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:35,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:35,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:35,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:28:35,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:35,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:35,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270289497] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:35,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:35,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-02-08 09:28:35,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586430102] [2025-02-08 09:28:35,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:35,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:35,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:35,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:28:35,564 INFO L87 Difference]: Start difference. First operand 552 states and 866 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:35,722 INFO L93 Difference]: Finished difference Result 754 states and 1096 transitions. [2025-02-08 09:28:35,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:28:35,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2025-02-08 09:28:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:35,724 INFO L225 Difference]: With dead ends: 754 [2025-02-08 09:28:35,724 INFO L226 Difference]: Without dead ends: 471 [2025-02-08 09:28:35,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:28:35,725 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 159 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:35,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 544 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:28:35,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-02-08 09:28:35,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 346. [2025-02-08 09:28:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.6541353383458646) internal successors, (440), 313 states have internal predecessors, (440), 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) [2025-02-08 09:28:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 500 transitions. [2025-02-08 09:28:35,741 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 500 transitions. Word has length 44 [2025-02-08 09:28:35,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:35,741 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 500 transitions. [2025-02-08 09:28:35,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:28:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 500 transitions. [2025-02-08 09:28:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:28:35,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:35,742 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:35,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:28:35,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:35,943 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:35,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:35,943 INFO L85 PathProgramCache]: Analyzing trace with hash -227809757, now seen corresponding path program 1 times [2025-02-08 09:28:35,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:35,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764308177] [2025-02-08 09:28:35,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:35,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:35,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:35,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:35,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:35,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421247339] [2025-02-08 09:28:35,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:35,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:35,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:35,960 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:35,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:28:35,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:28:35,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:28:35,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:35,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:35,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:28:35,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:36,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:36,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764308177] [2025-02-08 09:28:36,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421247339] [2025-02-08 09:28:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421247339] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:36,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:36,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39275204] [2025-02-08 09:28:36,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:36,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:36,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:36,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:36,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:28:36,305 INFO L87 Difference]: Start difference. First operand 346 states and 500 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:36,724 INFO L93 Difference]: Finished difference Result 471 states and 647 transitions. [2025-02-08 09:28:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:28:36,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-08 09:28:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:36,725 INFO L225 Difference]: With dead ends: 471 [2025-02-08 09:28:36,725 INFO L226 Difference]: Without dead ends: 470 [2025-02-08 09:28:36,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:28:36,726 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 395 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:36,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 597 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:28:36,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-02-08 09:28:36,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 425. [2025-02-08 09:28:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.6696428571428572) internal successors, (561), 383 states have internal predecessors, (561), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 09:28:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 639 transitions. [2025-02-08 09:28:36,746 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 639 transitions. Word has length 44 [2025-02-08 09:28:36,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:36,747 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 639 transitions. [2025-02-08 09:28:36,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 639 transitions. [2025-02-08 09:28:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:28:36,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:36,747 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:36,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:28:36,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:36,955 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:36,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1503331184, now seen corresponding path program 1 times [2025-02-08 09:28:36,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:36,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160945908] [2025-02-08 09:28:36,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:36,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:36,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:36,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:36,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:36,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:36,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050224267] [2025-02-08 09:28:36,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:36,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:36,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:36,976 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:36,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:28:37,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:37,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:37,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:37,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:37,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:28:37,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:28:37,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:37,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:37,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160945908] [2025-02-08 09:28:37,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:37,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050224267] [2025-02-08 09:28:37,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050224267] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:37,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:37,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:28:37,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141713258] [2025-02-08 09:28:37,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:37,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:28:37,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:37,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:28:37,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:37,058 INFO L87 Difference]: Start difference. First operand 425 states and 639 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:28:37,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:37,303 INFO L93 Difference]: Finished difference Result 454 states and 652 transitions. [2025-02-08 09:28:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:28:37,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-08 09:28:37,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:37,308 INFO L225 Difference]: With dead ends: 454 [2025-02-08 09:28:37,308 INFO L226 Difference]: Without dead ends: 453 [2025-02-08 09:28:37,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:28:37,309 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 57 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:37,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 301 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-02-08 09:28:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 425. [2025-02-08 09:28:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.6636904761904763) internal successors, (559), 383 states have internal predecessors, (559), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 09:28:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 637 transitions. [2025-02-08 09:28:37,332 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 637 transitions. Word has length 45 [2025-02-08 09:28:37,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:37,332 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 637 transitions. [2025-02-08 09:28:37,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:28:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 637 transitions. [2025-02-08 09:28:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:28:37,333 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:37,333 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-08 09:28:37,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:28:37,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:37,537 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:37,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:37,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1527832196, now seen corresponding path program 1 times [2025-02-08 09:28:37,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:37,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123808484] [2025-02-08 09:28:37,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:37,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:37,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:37,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:37,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:37,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:37,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [882556843] [2025-02-08 09:28:37,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:37,556 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:37,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:28:37,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:28:37,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:28:37,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:37,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:37,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:28:37,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:37,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:38,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:38,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123808484] [2025-02-08 09:28:38,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:38,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882556843] [2025-02-08 09:28:38,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882556843] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:38,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:38,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:38,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161533015] [2025-02-08 09:28:38,285 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:38,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:38,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:38,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:38,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:28:38,286 INFO L87 Difference]: Start difference. First operand 425 states and 637 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:38,714 INFO L93 Difference]: Finished difference Result 471 states and 642 transitions. [2025-02-08 09:28:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:28:38,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-02-08 09:28:38,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:38,716 INFO L225 Difference]: With dead ends: 471 [2025-02-08 09:28:38,716 INFO L226 Difference]: Without dead ends: 470 [2025-02-08 09:28:38,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:28:38,716 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 374 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:38,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 614 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:28:38,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-02-08 09:28:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 425. [2025-02-08 09:28:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.6547619047619047) internal successors, (556), 383 states have internal predecessors, (556), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 09:28:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 634 transitions. [2025-02-08 09:28:38,735 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 634 transitions. Word has length 45 [2025-02-08 09:28:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:38,736 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 634 transitions. [2025-02-08 09:28:38,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:28:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 634 transitions. [2025-02-08 09:28:38,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:28:38,736 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:38,736 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:38,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:28:38,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:38,937 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash 118157889, now seen corresponding path program 1 times [2025-02-08 09:28:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43596406] [2025-02-08 09:28:38,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:38,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:38,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:38,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:38,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:38,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:38,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089400634] [2025-02-08 09:28:38,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:38,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:38,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:38,951 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:38,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:28:38,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:28:38,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:28:38,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:38,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:38,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:28:38,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:39,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:39,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:39,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43596406] [2025-02-08 09:28:39,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:39,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089400634] [2025-02-08 09:28:39,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089400634] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:39,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:39,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-02-08 09:28:39,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978744666] [2025-02-08 09:28:39,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:39,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:28:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:39,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:28:39,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:28:39,398 INFO L87 Difference]: Start difference. First operand 425 states and 634 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:28:39,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:39,947 INFO L93 Difference]: Finished difference Result 478 states and 646 transitions. [2025-02-08 09:28:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:28:39,951 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2025-02-08 09:28:39,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:39,956 INFO L225 Difference]: With dead ends: 478 [2025-02-08 09:28:39,956 INFO L226 Difference]: Without dead ends: 473 [2025-02-08 09:28:39,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:28:39,956 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 545 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:39,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 766 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:28:39,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2025-02-08 09:28:39,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 346. [2025-02-08 09:28:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 266 states have (on average 1.605263157894737) internal successors, (427), 313 states have internal predecessors, (427), 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) [2025-02-08 09:28:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 487 transitions. [2025-02-08 09:28:39,984 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 487 transitions. Word has length 46 [2025-02-08 09:28:39,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:39,984 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 487 transitions. [2025-02-08 09:28:39,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:28:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 487 transitions. [2025-02-08 09:28:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:28:39,985 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:39,985 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:39,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:28:40,185 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,SelfDestructingSolverStorable23 [2025-02-08 09:28:40,185 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:40,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:40,186 INFO L85 PathProgramCache]: Analyzing trace with hash -632072670, now seen corresponding path program 1 times [2025-02-08 09:28:40,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:40,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196687640] [2025-02-08 09:28:40,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:40,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:28:40,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:28:40,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:40,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:40,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531340806] [2025-02-08 09:28:40,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:40,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:40,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:40,194 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:40,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:28:40,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:28:40,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:28:40,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:40,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:40,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:28:40,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:40,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:28:44,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:44,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196687640] [2025-02-08 09:28:44,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:44,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531340806] [2025-02-08 09:28:44,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531340806] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:28:44,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:28:44,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-02-08 09:28:44,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573203479] [2025-02-08 09:28:44,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:44,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:28:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:44,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:28:44,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:28:44,626 INFO L87 Difference]: Start difference. First operand 346 states and 487 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:28:45,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:45,764 INFO L93 Difference]: Finished difference Result 397 states and 501 transitions. [2025-02-08 09:28:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:28:45,764 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 47 [2025-02-08 09:28:45,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:45,765 INFO L225 Difference]: With dead ends: 397 [2025-02-08 09:28:45,765 INFO L226 Difference]: Without dead ends: 395 [2025-02-08 09:28:45,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=59, Invalid=180, Unknown=1, NotChecked=0, Total=240 [2025-02-08 09:28:45,766 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 467 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:45,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 626 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:28:45,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-02-08 09:28:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 347. [2025-02-08 09:28:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.5880149812734083) internal successors, (424), 314 states have internal predecessors, (424), 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) [2025-02-08 09:28:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 484 transitions. [2025-02-08 09:28:45,786 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 484 transitions. Word has length 47 [2025-02-08 09:28:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:45,786 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 484 transitions. [2025-02-08 09:28:45,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:28:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 484 transitions. [2025-02-08 09:28:45,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:28:45,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:45,787 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:45,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:28:45,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 09:28:45,992 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:45,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:45,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1200780743, now seen corresponding path program 1 times [2025-02-08 09:28:45,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:45,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842162825] [2025-02-08 09:28:45,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:45,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:28:45,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:28:45,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:45,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 09:28:46,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842162825] [2025-02-08 09:28:46,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842162825] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778657257] [2025-02-08 09:28:46,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:46,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:46,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:46,109 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:46,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:28:46,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:28:46,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:28:46,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:46,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:46,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:28:46,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:28:46,230 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:46,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778657257] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:46,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:46,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-02-08 09:28:46,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823707902] [2025-02-08 09:28:46,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:46,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:46,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:46,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:28:46,232 INFO L87 Difference]: Start difference. First operand 347 states and 484 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:46,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:46,488 INFO L93 Difference]: Finished difference Result 374 states and 488 transitions. [2025-02-08 09:28:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:46,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 53 [2025-02-08 09:28:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:46,490 INFO L225 Difference]: With dead ends: 374 [2025-02-08 09:28:46,490 INFO L226 Difference]: Without dead ends: 373 [2025-02-08 09:28:46,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:28:46,491 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 260 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:46,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 272 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-08 09:28:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 347. [2025-02-08 09:28:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.5842696629213484) internal successors, (423), 314 states have internal predecessors, (423), 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) [2025-02-08 09:28:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2025-02-08 09:28:46,509 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 53 [2025-02-08 09:28:46,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:46,509 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2025-02-08 09:28:46,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:46,509 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2025-02-08 09:28:46,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:28:46,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:46,510 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:46,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:28:46,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-08 09:28:46,714 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:46,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1135912060, now seen corresponding path program 1 times [2025-02-08 09:28:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:46,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236317137] [2025-02-08 09:28:46,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:46,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:28:46,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:28:46,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:46,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:46,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534004544] [2025-02-08 09:28:46,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:46,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:46,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:46,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:28:46,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:28:46,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:28:46,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:46,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:46,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:28:46,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:28:46,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:54,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:54,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236317137] [2025-02-08 09:28:54,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:54,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534004544] [2025-02-08 09:28:54,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534004544] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:54,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:54,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323840670] [2025-02-08 09:28:54,161 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:54,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:54,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:54,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:54,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2025-02-08 09:28:54,162 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:28:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:54,402 INFO L93 Difference]: Finished difference Result 399 states and 503 transitions. [2025-02-08 09:28:54,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:28:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 53 [2025-02-08 09:28:54,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:54,404 INFO L225 Difference]: With dead ends: 399 [2025-02-08 09:28:54,404 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 09:28:54,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2025-02-08 09:28:54,404 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 274 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:54,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 673 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:54,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 09:28:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 347. [2025-02-08 09:28:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.5692883895131087) internal successors, (419), 314 states have internal predecessors, (419), 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) [2025-02-08 09:28:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 479 transitions. [2025-02-08 09:28:54,421 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 479 transitions. Word has length 53 [2025-02-08 09:28:54,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:54,421 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 479 transitions. [2025-02-08 09:28:54,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:28:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 479 transitions. [2025-02-08 09:28:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:28:54,421 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:54,422 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:54,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:54,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:28:54,626 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:54,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:54,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1430502586, now seen corresponding path program 1 times [2025-02-08 09:28:54,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:54,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600625413] [2025-02-08 09:28:54,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:54,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:54,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:28:54,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:28:54,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:54,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:54,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723796434] [2025-02-08 09:28:54,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:54,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:54,639 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:54,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:28:54,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:28:54,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:28:54,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:54,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:54,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:28:54,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:28:54,728 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:28:54,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:54,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600625413] [2025-02-08 09:28:54,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:54,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723796434] [2025-02-08 09:28:54,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723796434] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:28:54,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:28:54,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:28:54,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527955257] [2025-02-08 09:28:54,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:28:54,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:28:54,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:54,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:28:54,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:28:54,729 INFO L87 Difference]: Start difference. First operand 347 states and 479 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:54,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:54,968 INFO L93 Difference]: Finished difference Result 374 states and 483 transitions. [2025-02-08 09:28:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:28:54,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 54 [2025-02-08 09:28:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:54,969 INFO L225 Difference]: With dead ends: 374 [2025-02-08 09:28:54,969 INFO L226 Difference]: Without dead ends: 373 [2025-02-08 09:28:54,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:28:54,970 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 257 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:54,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 274 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-08 09:28:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 347. [2025-02-08 09:28:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.5655430711610487) internal successors, (418), 314 states have internal predecessors, (418), 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) [2025-02-08 09:28:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 478 transitions. [2025-02-08 09:28:54,986 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 478 transitions. Word has length 54 [2025-02-08 09:28:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:54,986 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 478 transitions. [2025-02-08 09:28:54,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:28:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 478 transitions. [2025-02-08 09:28:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:28:54,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:54,987 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:28:54,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:28:55,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:28:55,188 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:55,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash -853535430, now seen corresponding path program 1 times [2025-02-08 09:28:55,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:55,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136690769] [2025-02-08 09:28:55,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:55,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:28:55,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:28:55,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:55,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:55,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355018629] [2025-02-08 09:28:55,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:55,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:55,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:55,200 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:55,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:28:55,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:28:55,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:28:55,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:55,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:55,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:28:55,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:28:55,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:28:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:28:58,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136690769] [2025-02-08 09:28:58,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:28:58,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355018629] [2025-02-08 09:28:58,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355018629] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:28:58,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:28:58,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:28:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032636944] [2025-02-08 09:28:58,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:28:58,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:28:58,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:28:58,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:28:58,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:28:58,834 INFO L87 Difference]: Start difference. First operand 347 states and 478 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:28:59,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:28:59,078 INFO L93 Difference]: Finished difference Result 399 states and 498 transitions. [2025-02-08 09:28:59,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:28:59,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 54 [2025-02-08 09:28:59,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:28:59,079 INFO L225 Difference]: With dead ends: 399 [2025-02-08 09:28:59,080 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 09:28:59,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:28:59,081 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 349 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:28:59,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 466 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:28:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 09:28:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 347. [2025-02-08 09:28:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 267 states have (on average 1.550561797752809) internal successors, (414), 314 states have internal predecessors, (414), 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) [2025-02-08 09:28:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 474 transitions. [2025-02-08 09:28:59,098 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 474 transitions. Word has length 54 [2025-02-08 09:28:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:28:59,098 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 474 transitions. [2025-02-08 09:28:59,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:28:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 474 transitions. [2025-02-08 09:28:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:28:59,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:28:59,100 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-08 09:28:59,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:28:59,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:28:59,300 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:28:59,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:28:59,301 INFO L85 PathProgramCache]: Analyzing trace with hash -689794494, now seen corresponding path program 1 times [2025-02-08 09:28:59,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:28:59,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197815510] [2025-02-08 09:28:59,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:28:59,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:28:59,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:28:59,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:59,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:28:59,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468600098] [2025-02-08 09:28:59,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:28:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:28:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:28:59,311 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:28:59,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:28:59,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:28:59,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:28:59,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:28:59,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:28:59,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:28:59,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:28:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:28:59,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:07,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:07,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197815510] [2025-02-08 09:29:07,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:07,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468600098] [2025-02-08 09:29:07,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468600098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:07,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:07,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:29:07,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680891201] [2025-02-08 09:29:07,955 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:07,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:29:07,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:07,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:29:07,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=341, Unknown=2, NotChecked=0, Total=420 [2025-02-08 09:29:07,956 INFO L87 Difference]: Start difference. First operand 347 states and 474 transitions. Second operand has 13 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:29:08,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:08,786 INFO L93 Difference]: Finished difference Result 475 states and 619 transitions. [2025-02-08 09:29:08,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:29:08,787 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 55 [2025-02-08 09:29:08,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:08,788 INFO L225 Difference]: With dead ends: 475 [2025-02-08 09:29:08,788 INFO L226 Difference]: Without dead ends: 474 [2025-02-08 09:29:08,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=145, Invalid=609, Unknown=2, NotChecked=0, Total=756 [2025-02-08 09:29:08,789 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 512 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:08,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 574 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:29:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-08 09:29:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 360. [2025-02-08 09:29:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 279 states have (on average 1.5268817204301075) internal successors, (426), 326 states have internal predecessors, (426), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-08 09:29:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 488 transitions. [2025-02-08 09:29:08,816 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 488 transitions. Word has length 55 [2025-02-08 09:29:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:08,817 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 488 transitions. [2025-02-08 09:29:08,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:29:08,817 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 488 transitions. [2025-02-08 09:29:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:29:08,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:08,817 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:08,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:29:09,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:09,018 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:09,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:09,019 INFO L85 PathProgramCache]: Analyzing trace with hash 91207224, now seen corresponding path program 1 times [2025-02-08 09:29:09,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:09,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560253085] [2025-02-08 09:29:09,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:09,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:09,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:29:09,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:29:09,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:09,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:09,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331774527] [2025-02-08 09:29:09,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:09,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:09,029 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:09,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:29:09,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:29:09,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:29:09,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:09,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:09,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:29:09,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:29:09,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:11,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:11,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560253085] [2025-02-08 09:29:11,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:11,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331774527] [2025-02-08 09:29:11,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331774527] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:11,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:11,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:29:11,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533106807] [2025-02-08 09:29:11,383 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:11,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:29:11,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:11,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:29:11,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:29:11,384 INFO L87 Difference]: Start difference. First operand 360 states and 488 transitions. Second operand has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:29:12,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:12,103 INFO L93 Difference]: Finished difference Result 475 states and 618 transitions. [2025-02-08 09:29:12,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:29:12,103 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2025-02-08 09:29:12,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:12,104 INFO L225 Difference]: With dead ends: 475 [2025-02-08 09:29:12,104 INFO L226 Difference]: Without dead ends: 474 [2025-02-08 09:29:12,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:29:12,105 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 406 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:12,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 591 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:29:12,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-08 09:29:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 349. [2025-02-08 09:29:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 269 states have (on average 1.546468401486989) internal successors, (416), 316 states have internal predecessors, (416), 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) [2025-02-08 09:29:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 476 transitions. [2025-02-08 09:29:12,126 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 476 transitions. Word has length 56 [2025-02-08 09:29:12,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:12,126 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 476 transitions. [2025-02-08 09:29:12,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:29:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 476 transitions. [2025-02-08 09:29:12,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-08 09:29:12,128 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:12,128 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:12,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:29:12,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:12,332 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1467543296, now seen corresponding path program 1 times [2025-02-08 09:29:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:12,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998900072] [2025-02-08 09:29:12,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:12,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:12,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:29:12,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:29:12,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:12,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:12,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [818532316] [2025-02-08 09:29:12,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:12,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:12,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:12,349 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:12,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:29:12,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 09:29:12,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 09:29:12,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:12,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:12,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 09:29:12,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:29:12,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:12,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998900072] [2025-02-08 09:29:12,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:12,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818532316] [2025-02-08 09:29:12,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818532316] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:12,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:12,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:29:12,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433053101] [2025-02-08 09:29:12,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:12,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:29:12,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:12,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:29:12,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:29:12,680 INFO L87 Difference]: Start difference. First operand 349 states and 476 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:29:13,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:13,195 INFO L93 Difference]: Finished difference Result 469 states and 602 transitions. [2025-02-08 09:29:13,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:29:13,196 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 57 [2025-02-08 09:29:13,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:13,197 INFO L225 Difference]: With dead ends: 469 [2025-02-08 09:29:13,197 INFO L226 Difference]: Without dead ends: 468 [2025-02-08 09:29:13,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:29:13,197 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 353 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:13,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 822 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:29:13,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2025-02-08 09:29:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 415. [2025-02-08 09:29:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 327 states have (on average 1.54434250764526) internal successors, (505), 374 states have internal predecessors, (505), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-08 09:29:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 581 transitions. [2025-02-08 09:29:13,236 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 581 transitions. Word has length 57 [2025-02-08 09:29:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:13,236 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 581 transitions. [2025-02-08 09:29:13,236 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), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-08 09:29:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 581 transitions. [2025-02-08 09:29:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 09:29:13,237 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:13,237 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:13,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:13,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:13,441 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:13,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:13,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1750798134, now seen corresponding path program 1 times [2025-02-08 09:29:13,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:13,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263508785] [2025-02-08 09:29:13,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:13,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:29:13,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:29:13,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:13,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:13,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701010154] [2025-02-08 09:29:13,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:13,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:13,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:13,451 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:13,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:29:13,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-08 09:29:13,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 09:29:13,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:13,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:13,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:29:13,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:29:13,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:29:21,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:21,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263508785] [2025-02-08 09:29:21,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:21,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701010154] [2025-02-08 09:29:21,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701010154] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:21,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:21,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-08 09:29:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728715342] [2025-02-08 09:29:21,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:21,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:21,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:21,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2025-02-08 09:29:21,687 INFO L87 Difference]: Start difference. First operand 415 states and 581 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:29:22,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:22,651 INFO L93 Difference]: Finished difference Result 622 states and 808 transitions. [2025-02-08 09:29:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:29:22,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 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 58 [2025-02-08 09:29:22,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:22,653 INFO L225 Difference]: With dead ends: 622 [2025-02-08 09:29:22,653 INFO L226 Difference]: Without dead ends: 617 [2025-02-08 09:29:22,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2025-02-08 09:29:22,653 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 252 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:22,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 771 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:29:22,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-08 09:29:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 509. [2025-02-08 09:29:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 412 states have (on average 1.5849514563106797) internal successors, (653), 459 states have internal predecessors, (653), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-02-08 09:29:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 747 transitions. [2025-02-08 09:29:22,678 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 747 transitions. Word has length 58 [2025-02-08 09:29:22,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:22,678 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 747 transitions. [2025-02-08 09:29:22,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:29:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 747 transitions. [2025-02-08 09:29:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:29:22,679 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:22,679 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:22,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:29:22,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-08 09:29:22,879 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:22,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:22,880 INFO L85 PathProgramCache]: Analyzing trace with hash 756775578, now seen corresponding path program 1 times [2025-02-08 09:29:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:22,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525978344] [2025-02-08 09:29:22,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:22,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:22,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:29:22,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:29:22,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:22,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:22,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [587616401] [2025-02-08 09:29:22,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:22,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:22,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:22,889 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:22,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:29:22,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:29:22,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:29:22,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:22,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:22,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:29:22,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:29:22,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:22,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525978344] [2025-02-08 09:29:22,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:22,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587616401] [2025-02-08 09:29:22,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587616401] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:22,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:22,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:29:22,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619429960] [2025-02-08 09:29:22,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:22,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:29:22,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:22,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:29:22,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:29:22,981 INFO L87 Difference]: Start difference. First operand 509 states and 747 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:23,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:23,147 INFO L93 Difference]: Finished difference Result 586 states and 837 transitions. [2025-02-08 09:29:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:29:23,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 60 [2025-02-08 09:29:23,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:23,149 INFO L225 Difference]: With dead ends: 586 [2025-02-08 09:29:23,149 INFO L226 Difference]: Without dead ends: 583 [2025-02-08 09:29:23,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:23,149 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 216 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:23,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 205 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:29:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-02-08 09:29:23,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 565. [2025-02-08 09:29:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 460 states have (on average 1.55) internal successors, (713), 507 states have internal predecessors, (713), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:23,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 823 transitions. [2025-02-08 09:29:23,177 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 823 transitions. Word has length 60 [2025-02-08 09:29:23,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:23,177 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 823 transitions. [2025-02-08 09:29:23,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 823 transitions. [2025-02-08 09:29:23,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:29:23,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:23,177 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:23,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-08 09:29:23,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:29:23,378 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:23,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1985206478, now seen corresponding path program 1 times [2025-02-08 09:29:23,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:23,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329350302] [2025-02-08 09:29:23,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:23,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:29:23,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:29:23,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:23,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:23,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [513075775] [2025-02-08 09:29:23,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:23,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:23,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:23,395 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:23,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:29:23,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:29:23,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:29:23,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:23,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:23,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:29:23,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:29:23,483 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:23,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:23,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329350302] [2025-02-08 09:29:23,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:23,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513075775] [2025-02-08 09:29:23,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513075775] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:23,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:23,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:29:23,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275864304] [2025-02-08 09:29:23,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:23,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:29:23,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:23,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:29:23,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:29:23,484 INFO L87 Difference]: Start difference. First operand 565 states and 823 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:23,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:23,635 INFO L93 Difference]: Finished difference Result 584 states and 831 transitions. [2025-02-08 09:29:23,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:29:23,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2025-02-08 09:29:23,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:23,637 INFO L225 Difference]: With dead ends: 584 [2025-02-08 09:29:23,637 INFO L226 Difference]: Without dead ends: 583 [2025-02-08 09:29:23,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:23,638 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 213 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:23,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 206 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:29:23,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2025-02-08 09:29:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 565. [2025-02-08 09:29:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 460 states have (on average 1.5456521739130435) internal successors, (711), 507 states have internal predecessors, (711), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:23,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 821 transitions. [2025-02-08 09:29:23,666 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 821 transitions. Word has length 61 [2025-02-08 09:29:23,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:23,666 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 821 transitions. [2025-02-08 09:29:23,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:23,666 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 821 transitions. [2025-02-08 09:29:23,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:29:23,666 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:23,667 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:23,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:23,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:29:23,867 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:23,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:23,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1026221919, now seen corresponding path program 1 times [2025-02-08 09:29:23,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:23,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786027773] [2025-02-08 09:29:23,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:23,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:29:23,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:29:23,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:23,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:23,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:23,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786027773] [2025-02-08 09:29:23,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786027773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:23,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:23,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:29:23,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102790839] [2025-02-08 09:29:23,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:23,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:29:23,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:23,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:29:23,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:29:23,904 INFO L87 Difference]: Start difference. First operand 565 states and 821 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:24,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:24,149 INFO L93 Difference]: Finished difference Result 587 states and 833 transitions. [2025-02-08 09:29:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:29:24,149 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), 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 67 [2025-02-08 09:29:24,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:24,151 INFO L225 Difference]: With dead ends: 587 [2025-02-08 09:29:24,151 INFO L226 Difference]: Without dead ends: 585 [2025-02-08 09:29:24,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:24,156 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 227 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:24,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 276 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:24,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2025-02-08 09:29:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 567. [2025-02-08 09:29:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 462 states have (on average 1.5389610389610389) internal successors, (711), 509 states have internal predecessors, (711), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:24,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 821 transitions. [2025-02-08 09:29:24,184 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 821 transitions. Word has length 67 [2025-02-08 09:29:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:24,184 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 821 transitions. [2025-02-08 09:29:24,184 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 821 transitions. [2025-02-08 09:29:24,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-08 09:29:24,185 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:24,185 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1] [2025-02-08 09:29:24,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-08 09:29:24,185 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:24,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:24,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1481211283, now seen corresponding path program 1 times [2025-02-08 09:29:24,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:24,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901986503] [2025-02-08 09:29:24,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:24,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:24,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:29:24,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:29:24,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:24,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 09:29:24,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:24,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901986503] [2025-02-08 09:29:24,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901986503] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:24,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149949440] [2025-02-08 09:29:24,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:24,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:24,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:24,314 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:24,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:29:24,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:29:24,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:29:24,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:24,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:24,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:29:24,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:29:24,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:24,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149949440] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:24,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:24,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2025-02-08 09:29:24,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948953811] [2025-02-08 09:29:24,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:24,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:24,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:24,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:24,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:29:24,465 INFO L87 Difference]: Start difference. First operand 567 states and 821 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:29:24,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:24,844 INFO L93 Difference]: Finished difference Result 620 states and 829 transitions. [2025-02-08 09:29:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:29:24,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 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 66 [2025-02-08 09:29:24,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:24,845 INFO L225 Difference]: With dead ends: 620 [2025-02-08 09:29:24,846 INFO L226 Difference]: Without dead ends: 619 [2025-02-08 09:29:24,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:29:24,846 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 438 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:24,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 561 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:24,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2025-02-08 09:29:24,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 567. [2025-02-08 09:29:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 462 states have (on average 1.5367965367965368) internal successors, (710), 509 states have internal predecessors, (710), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 820 transitions. [2025-02-08 09:29:24,881 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 820 transitions. Word has length 66 [2025-02-08 09:29:24,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:24,881 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 820 transitions. [2025-02-08 09:29:24,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:29:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 820 transitions. [2025-02-08 09:29:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:29:24,881 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:24,881 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:24,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:25,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:25,082 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:25,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:25,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1748108382, now seen corresponding path program 1 times [2025-02-08 09:29:25,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:25,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644142359] [2025-02-08 09:29:25,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:25,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:29:25,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:29:25,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:25,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:25,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:25,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644142359] [2025-02-08 09:29:25,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644142359] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:25,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:25,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:29:25,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358418504] [2025-02-08 09:29:25,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:25,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:29:25,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:25,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:29:25,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:29:25,134 INFO L87 Difference]: Start difference. First operand 567 states and 820 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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) [2025-02-08 09:29:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:25,348 INFO L93 Difference]: Finished difference Result 596 states and 828 transitions. [2025-02-08 09:29:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:29:25,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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 68 [2025-02-08 09:29:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:25,350 INFO L225 Difference]: With dead ends: 596 [2025-02-08 09:29:25,350 INFO L226 Difference]: Without dead ends: 594 [2025-02-08 09:29:25,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:29:25,350 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 310 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:25,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 409 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2025-02-08 09:29:25,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 567. [2025-02-08 09:29:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 462 states have (on average 1.5324675324675325) internal successors, (708), 509 states have internal predecessors, (708), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 818 transitions. [2025-02-08 09:29:25,380 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 818 transitions. Word has length 68 [2025-02-08 09:29:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:25,380 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 818 transitions. [2025-02-08 09:29:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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) [2025-02-08 09:29:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 818 transitions. [2025-02-08 09:29:25,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:29:25,380 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:25,381 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:25,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-08 09:29:25,381 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:25,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1327090528, now seen corresponding path program 1 times [2025-02-08 09:29:25,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:25,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527984105] [2025-02-08 09:29:25,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:25,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:29:25,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:29:25,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:25,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:25,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940899345] [2025-02-08 09:29:25,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:25,390 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:25,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:29:25,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:29:25,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:29:25,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:25,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:25,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:29:25,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:29:25,487 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:25,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:25,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527984105] [2025-02-08 09:29:25,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:25,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940899345] [2025-02-08 09:29:25,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940899345] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:25,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:25,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:29:25,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957928286] [2025-02-08 09:29:25,505 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:25,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:29:25,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:25,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:29:25,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:25,505 INFO L87 Difference]: Start difference. First operand 567 states and 818 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:29:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:25,747 INFO L93 Difference]: Finished difference Result 610 states and 834 transitions. [2025-02-08 09:29:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:29:25,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2025-02-08 09:29:25,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:25,749 INFO L225 Difference]: With dead ends: 610 [2025-02-08 09:29:25,749 INFO L226 Difference]: Without dead ends: 609 [2025-02-08 09:29:25,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:29:25,749 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 359 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:25,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 326 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2025-02-08 09:29:25,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 567. [2025-02-08 09:29:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 462 states have (on average 1.5238095238095237) internal successors, (704), 509 states have internal predecessors, (704), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:29:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 814 transitions. [2025-02-08 09:29:25,777 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 814 transitions. Word has length 67 [2025-02-08 09:29:25,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:25,777 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 814 transitions. [2025-02-08 09:29:25,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:29:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 814 transitions. [2025-02-08 09:29:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 09:29:25,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:25,778 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:25,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:29:25,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:29:25,978 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:25,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:25,978 INFO L85 PathProgramCache]: Analyzing trace with hash -599941320, now seen corresponding path program 1 times [2025-02-08 09:29:25,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:25,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255744674] [2025-02-08 09:29:25,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:25,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:25,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:29:25,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:29:25,984 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:25,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:26,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:26,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255744674] [2025-02-08 09:29:26,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255744674] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:26,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:26,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:29:26,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219828556] [2025-02-08 09:29:26,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:26,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:29:26,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:26,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:29:26,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:29:26,003 INFO L87 Difference]: Start difference. First operand 567 states and 814 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2025-02-08 09:29:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:26,075 INFO L93 Difference]: Finished difference Result 802 states and 1192 transitions. [2025-02-08 09:29:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:29:26,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 70 [2025-02-08 09:29:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:26,077 INFO L225 Difference]: With dead ends: 802 [2025-02-08 09:29:26,077 INFO L226 Difference]: Without dead ends: 801 [2025-02-08 09:29:26,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:29:26,077 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 22 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:26,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 221 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:29:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2025-02-08 09:29:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 746. [2025-02-08 09:29:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 612 states have (on average 1.5392156862745099) internal successors, (942), 659 states have internal predecessors, (942), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-08 09:29:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1110 transitions. [2025-02-08 09:29:26,133 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1110 transitions. Word has length 70 [2025-02-08 09:29:26,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:26,133 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1110 transitions. [2025-02-08 09:29:26,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2025-02-08 09:29:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1110 transitions. [2025-02-08 09:29:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:29:26,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:26,134 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:26,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-02-08 09:29:26,134 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:26,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1418311715, now seen corresponding path program 1 times [2025-02-08 09:29:26,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:26,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131386054] [2025-02-08 09:29:26,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:26,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:29:26,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:29:26,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:26,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:26,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:26,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131386054] [2025-02-08 09:29:26,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131386054] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:26,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:26,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:29:26,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640861999] [2025-02-08 09:29:26,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:26,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:29:26,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:26,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:29:26,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:29:26,177 INFO L87 Difference]: Start difference. First operand 746 states and 1110 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (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) [2025-02-08 09:29:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:26,397 INFO L93 Difference]: Finished difference Result 762 states and 1110 transitions. [2025-02-08 09:29:26,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:29:26,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (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 71 [2025-02-08 09:29:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:26,400 INFO L225 Difference]: With dead ends: 762 [2025-02-08 09:29:26,400 INFO L226 Difference]: Without dead ends: 761 [2025-02-08 09:29:26,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:29:26,400 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 205 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:26,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 350 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2025-02-08 09:29:26,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 746. [2025-02-08 09:29:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 612 states have (on average 1.5375816993464053) internal successors, (941), 659 states have internal predecessors, (941), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-08 09:29:26,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1109 transitions. [2025-02-08 09:29:26,444 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1109 transitions. Word has length 71 [2025-02-08 09:29:26,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:26,444 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1109 transitions. [2025-02-08 09:29:26,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (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) [2025-02-08 09:29:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1109 transitions. [2025-02-08 09:29:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:29:26,444 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:26,444 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:26,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-08 09:29:26,444 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:26,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:26,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1017990186, now seen corresponding path program 1 times [2025-02-08 09:29:26,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:26,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455113074] [2025-02-08 09:29:26,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:26,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:26,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:29:26,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:29:26,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:26,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:26,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:26,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455113074] [2025-02-08 09:29:26,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455113074] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:26,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:26,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:29:26,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626258291] [2025-02-08 09:29:26,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:26,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:29:26,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:26,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:29:26,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:29:26,479 INFO L87 Difference]: Start difference. First operand 746 states and 1109 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 09:29:26,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:26,589 INFO L93 Difference]: Finished difference Result 831 states and 1198 transitions. [2025-02-08 09:29:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:29:26,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 72 [2025-02-08 09:29:26,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:26,591 INFO L225 Difference]: With dead ends: 831 [2025-02-08 09:29:26,591 INFO L226 Difference]: Without dead ends: 827 [2025-02-08 09:29:26,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:29:26,594 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 96 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:26,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 252 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:29:26,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2025-02-08 09:29:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 774. [2025-02-08 09:29:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 640 states have (on average 1.5203125) internal successors, (973), 687 states have internal predecessors, (973), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-02-08 09:29:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1141 transitions. [2025-02-08 09:29:26,635 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1141 transitions. Word has length 72 [2025-02-08 09:29:26,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:26,635 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1141 transitions. [2025-02-08 09:29:26,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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) [2025-02-08 09:29:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1141 transitions. [2025-02-08 09:29:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:29:26,636 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:26,636 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:26,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-02-08 09:29:26,636 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:26,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash 110430004, now seen corresponding path program 1 times [2025-02-08 09:29:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:26,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864783503] [2025-02-08 09:29:26,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:26,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:26,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:29:26,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:29:26,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:26,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:26,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711998844] [2025-02-08 09:29:26,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:26,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:26,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:26,650 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:26,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:29:26,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:29:26,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:29:26,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:26,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:26,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:29:26,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:29:26,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:29:26,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:26,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864783503] [2025-02-08 09:29:26,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:26,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711998844] [2025-02-08 09:29:26,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711998844] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:26,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:26,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-08 09:29:26,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123392145] [2025-02-08 09:29:26,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:26,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:29:26,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:26,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:29:26,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:29:26,859 INFO L87 Difference]: Start difference. First operand 774 states and 1141 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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) [2025-02-08 09:29:27,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:27,563 INFO L93 Difference]: Finished difference Result 920 states and 1238 transitions. [2025-02-08 09:29:27,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:29:27,564 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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 73 [2025-02-08 09:29:27,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:27,567 INFO L225 Difference]: With dead ends: 920 [2025-02-08 09:29:27,567 INFO L226 Difference]: Without dead ends: 917 [2025-02-08 09:29:27,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:29:27,568 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 903 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:27,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 591 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:29:27,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2025-02-08 09:29:27,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 822. [2025-02-08 09:29:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 682 states have (on average 1.497067448680352) internal successors, (1021), 729 states have internal predecessors, (1021), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-02-08 09:29:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1201 transitions. [2025-02-08 09:29:27,618 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1201 transitions. Word has length 73 [2025-02-08 09:29:27,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:27,620 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1201 transitions. [2025-02-08 09:29:27,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 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) [2025-02-08 09:29:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1201 transitions. [2025-02-08 09:29:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-08 09:29:27,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:27,620 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:27,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:29:27,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:27,826 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:27,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:27,826 INFO L85 PathProgramCache]: Analyzing trace with hash -871637132, now seen corresponding path program 1 times [2025-02-08 09:29:27,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:27,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354280707] [2025-02-08 09:29:27,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:27,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:29:27,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:29:27,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:27,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:27,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623103212] [2025-02-08 09:29:27,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:27,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:27,840 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:27,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:29:27,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:29:27,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:29:27,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:27,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:27,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:29:27,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:29:27,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:27,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:27,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354280707] [2025-02-08 09:29:27,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:27,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623103212] [2025-02-08 09:29:27,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623103212] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:27,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:27,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:29:27,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626005414] [2025-02-08 09:29:27,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:27,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:29:27,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:27,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:29:27,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:27,950 INFO L87 Difference]: Start difference. First operand 822 states and 1201 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:28,263 INFO L93 Difference]: Finished difference Result 865 states and 1237 transitions. [2025-02-08 09:29:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:29:28,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 74 [2025-02-08 09:29:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:28,266 INFO L225 Difference]: With dead ends: 865 [2025-02-08 09:29:28,266 INFO L226 Difference]: Without dead ends: 862 [2025-02-08 09:29:28,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:29:28,266 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 232 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:28,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 424 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:28,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2025-02-08 09:29:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 828. [2025-02-08 09:29:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 688 states have (on average 1.4811046511627908) internal successors, (1019), 735 states have internal predecessors, (1019), 90 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2025-02-08 09:29:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1199 transitions. [2025-02-08 09:29:28,315 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1199 transitions. Word has length 74 [2025-02-08 09:29:28,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:28,316 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1199 transitions. [2025-02-08 09:29:28,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:29:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1199 transitions. [2025-02-08 09:29:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:29:28,316 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:28,316 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:28,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:29:28,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:28,517 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:28,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:28,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1589966137, now seen corresponding path program 1 times [2025-02-08 09:29:28,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:28,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379516520] [2025-02-08 09:29:28,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:28,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:28,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:29:28,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:29:28,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:28,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:28,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379516520] [2025-02-08 09:29:28,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379516520] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:28,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473477757] [2025-02-08 09:29:28,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:28,576 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:28,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:29:28,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:29:28,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:29:28,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:28,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:28,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:29:28,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:28,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:28,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473477757] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:28,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:29:28,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-08 09:29:28,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374415999] [2025-02-08 09:29:28,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:28,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:29:28,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:28,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:29:28,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:29:28,770 INFO L87 Difference]: Start difference. First operand 828 states and 1199 transitions. Second operand has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:29:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:29,449 INFO L93 Difference]: Finished difference Result 929 states and 1236 transitions. [2025-02-08 09:29:29,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:29:29,449 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 80 [2025-02-08 09:29:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:29,453 INFO L225 Difference]: With dead ends: 929 [2025-02-08 09:29:29,453 INFO L226 Difference]: Without dead ends: 927 [2025-02-08 09:29:29,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:29:29,454 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 812 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:29,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 632 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:29:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2025-02-08 09:29:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 831. [2025-02-08 09:29:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 690 states have (on average 1.46231884057971) internal successors, (1009), 736 states have internal predecessors, (1009), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1193 transitions. [2025-02-08 09:29:29,505 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1193 transitions. Word has length 80 [2025-02-08 09:29:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:29,505 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1193 transitions. [2025-02-08 09:29:29,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.818181818181818) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:29:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1193 transitions. [2025-02-08 09:29:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:29:29,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:29,507 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:29,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-08 09:29:29,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:29,708 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:29,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2044309956, now seen corresponding path program 1 times [2025-02-08 09:29:29,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:29,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598154321] [2025-02-08 09:29:29,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:29,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:29,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:29:29,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:29:29,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:29,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:29,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598154321] [2025-02-08 09:29:29,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598154321] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:29,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:29:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823890586] [2025-02-08 09:29:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:29,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:29:29,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:29,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:29:29,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:29,763 INFO L87 Difference]: Start difference. First operand 831 states and 1193 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:30,111 INFO L93 Difference]: Finished difference Result 872 states and 1219 transitions. [2025-02-08 09:29:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:29:30,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 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 81 [2025-02-08 09:29:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:30,115 INFO L225 Difference]: With dead ends: 872 [2025-02-08 09:29:30,115 INFO L226 Difference]: Without dead ends: 870 [2025-02-08 09:29:30,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:29:30,115 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 265 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:30,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 417 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:30,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-02-08 09:29:30,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 843. [2025-02-08 09:29:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 702 states have (on average 1.4401709401709402) internal successors, (1011), 748 states have internal predecessors, (1011), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1195 transitions. [2025-02-08 09:29:30,166 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1195 transitions. Word has length 81 [2025-02-08 09:29:30,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:30,166 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1195 transitions. [2025-02-08 09:29:30,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1195 transitions. [2025-02-08 09:29:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:29:30,166 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:30,167 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:30,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-02-08 09:29:30,167 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:30,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:30,167 INFO L85 PathProgramCache]: Analyzing trace with hash -862852398, now seen corresponding path program 1 times [2025-02-08 09:29:30,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:30,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425118821] [2025-02-08 09:29:30,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:30,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:29:30,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:29:30,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:30,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:30,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265432139] [2025-02-08 09:29:30,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:30,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:30,184 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:30,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:29:30,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:29:30,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:29:30,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:30,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:30,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:29:30,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:30,439 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:30,440 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:30,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:30,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425118821] [2025-02-08 09:29:30,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:30,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265432139] [2025-02-08 09:29:30,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265432139] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:30,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:30,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:29:30,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113252066] [2025-02-08 09:29:30,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:30,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:29:30,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:30,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:29:30,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:29:30,442 INFO L87 Difference]: Start difference. First operand 843 states and 1195 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2025-02-08 09:29:30,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:30,675 INFO L93 Difference]: Finished difference Result 868 states and 1202 transitions. [2025-02-08 09:29:30,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:29:30,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 81 [2025-02-08 09:29:30,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:30,678 INFO L225 Difference]: With dead ends: 868 [2025-02-08 09:29:30,678 INFO L226 Difference]: Without dead ends: 865 [2025-02-08 09:29:30,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:30,678 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 66 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:30,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 437 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:30,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2025-02-08 09:29:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 843. [2025-02-08 09:29:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 702 states have (on average 1.4344729344729346) internal successors, (1007), 748 states have internal predecessors, (1007), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1191 transitions. [2025-02-08 09:29:30,728 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1191 transitions. Word has length 81 [2025-02-08 09:29:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:30,728 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1191 transitions. [2025-02-08 09:29:30,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2025-02-08 09:29:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1191 transitions. [2025-02-08 09:29:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-08 09:29:30,729 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:30,729 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:30,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:29:30,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:29:30,930 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:30,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:30,930 INFO L85 PathProgramCache]: Analyzing trace with hash -978620558, now seen corresponding path program 1 times [2025-02-08 09:29:30,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:30,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018158866] [2025-02-08 09:29:30,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:30,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:30,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:29:30,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:29:30,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:30,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:30,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206086778] [2025-02-08 09:29:30,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:30,946 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:30,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:29:30,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-08 09:29:30,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-08 09:29:30,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:30,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:30,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:29:30,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:31,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:31,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018158866] [2025-02-08 09:29:31,266 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206086778] [2025-02-08 09:29:31,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206086778] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:31,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:31,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:29:31,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68931964] [2025-02-08 09:29:31,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:31,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:29:31,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:31,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:29:31,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:31,268 INFO L87 Difference]: Start difference. First operand 843 states and 1191 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2025-02-08 09:29:31,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:31,540 INFO L93 Difference]: Finished difference Result 947 states and 1301 transitions. [2025-02-08 09:29:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:29:31,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 82 [2025-02-08 09:29:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:31,545 INFO L225 Difference]: With dead ends: 947 [2025-02-08 09:29:31,545 INFO L226 Difference]: Without dead ends: 946 [2025-02-08 09:29:31,545 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:31,546 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 177 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:31,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 382 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:31,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2025-02-08 09:29:31,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 852. [2025-02-08 09:29:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 711 states have (on average 1.4303797468354431) internal successors, (1017), 757 states have internal predecessors, (1017), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:31,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1201 transitions. [2025-02-08 09:29:31,605 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1201 transitions. Word has length 82 [2025-02-08 09:29:31,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:31,605 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1201 transitions. [2025-02-08 09:29:31,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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) [2025-02-08 09:29:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1201 transitions. [2025-02-08 09:29:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:29:31,606 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:31,606 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:31,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:31,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:29:31,806 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:31,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 598390531, now seen corresponding path program 1 times [2025-02-08 09:29:31,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:31,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788545029] [2025-02-08 09:29:31,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:31,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:31,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:29:31,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:29:31,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:31,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:31,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788545029] [2025-02-08 09:29:31,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788545029] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:31,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217030143] [2025-02-08 09:29:31,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:31,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:31,868 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:31,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:29:31,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:29:31,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:29:31,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:31,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:31,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:29:31,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:31,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:32,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217030143] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:32,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:29:32,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2025-02-08 09:29:32,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131716566] [2025-02-08 09:29:32,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:32,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:29:32,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:32,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:29:32,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:29:32,117 INFO L87 Difference]: Start difference. First operand 852 states and 1201 transitions. Second operand has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-08 09:29:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:32,707 INFO L93 Difference]: Finished difference Result 873 states and 1210 transitions. [2025-02-08 09:29:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 09:29:32,708 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 84 [2025-02-08 09:29:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:32,710 INFO L225 Difference]: With dead ends: 873 [2025-02-08 09:29:32,710 INFO L226 Difference]: Without dead ends: 870 [2025-02-08 09:29:32,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:29:32,711 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 745 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:32,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 325 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:32,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-02-08 09:29:32,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 838. [2025-02-08 09:29:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 699 states have (on average 1.4120171673819744) internal successors, (987), 743 states have internal predecessors, (987), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1171 transitions. [2025-02-08 09:29:32,762 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1171 transitions. Word has length 84 [2025-02-08 09:29:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:32,762 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1171 transitions. [2025-02-08 09:29:32,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-08 09:29:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1171 transitions. [2025-02-08 09:29:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:29:32,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:32,763 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:32,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-08 09:29:32,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-08 09:29:32,967 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:32,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:32,967 INFO L85 PathProgramCache]: Analyzing trace with hash 143481648, now seen corresponding path program 1 times [2025-02-08 09:29:32,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:32,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256629647] [2025-02-08 09:29:32,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:32,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:32,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:29:32,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:29:32,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:32,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:32,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103182786] [2025-02-08 09:29:32,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:32,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:32,981 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:32,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:29:33,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:29:33,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:29:33,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:33,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:33,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:29:33,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:33,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:29:33,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:33,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256629647] [2025-02-08 09:29:33,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:33,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103182786] [2025-02-08 09:29:33,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103182786] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:29:33,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:29:33,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:29:33,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190120386] [2025-02-08 09:29:33,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:29:33,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:29:33,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:33,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:29:33,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:29:33,221 INFO L87 Difference]: Start difference. First operand 838 states and 1171 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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) [2025-02-08 09:29:33,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:33,453 INFO L93 Difference]: Finished difference Result 860 states and 1177 transitions. [2025-02-08 09:29:33,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:29:33,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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 [2025-02-08 09:29:33,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:33,455 INFO L225 Difference]: With dead ends: 860 [2025-02-08 09:29:33,455 INFO L226 Difference]: Without dead ends: 859 [2025-02-08 09:29:33,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:29:33,456 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 73 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:33,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 340 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:29:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2025-02-08 09:29:33,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 838. [2025-02-08 09:29:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 699 states have (on average 1.4105865522174534) internal successors, (986), 743 states have internal predecessors, (986), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1170 transitions. [2025-02-08 09:29:33,507 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1170 transitions. Word has length 84 [2025-02-08 09:29:33,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:33,508 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1170 transitions. [2025-02-08 09:29:33,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 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) [2025-02-08 09:29:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1170 transitions. [2025-02-08 09:29:33,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:29:33,509 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:33,509 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:33,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:33,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-08 09:29:33,710 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:33,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:33,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1866750596, now seen corresponding path program 1 times [2025-02-08 09:29:33,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:33,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720325470] [2025-02-08 09:29:33,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:33,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:29:33,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:29:33,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:33,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:33,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201880775] [2025-02-08 09:29:33,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:33,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:33,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:33,724 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:33,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:29:33,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:29:33,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:29:33,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:33,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:33,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:29:33,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:33,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:33,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:33,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720325470] [2025-02-08 09:29:33,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:33,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201880775] [2025-02-08 09:29:33,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201880775] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:33,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:33,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:29:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390116419] [2025-02-08 09:29:33,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:33,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:33,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:33,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:33,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:29:33,981 INFO L87 Difference]: Start difference. First operand 838 states and 1170 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2025-02-08 09:29:34,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:34,308 INFO L93 Difference]: Finished difference Result 897 states and 1210 transitions. [2025-02-08 09:29:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:29:34,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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 90 [2025-02-08 09:29:34,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:34,313 INFO L225 Difference]: With dead ends: 897 [2025-02-08 09:29:34,313 INFO L226 Difference]: Without dead ends: 894 [2025-02-08 09:29:34,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:29:34,314 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 146 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:34,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 521 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:34,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2025-02-08 09:29:34,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 840. [2025-02-08 09:29:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 701 states have (on average 1.399429386590585) internal successors, (981), 745 states have internal predecessors, (981), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1165 transitions. [2025-02-08 09:29:34,368 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1165 transitions. Word has length 90 [2025-02-08 09:29:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:34,369 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1165 transitions. [2025-02-08 09:29:34,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2025-02-08 09:29:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1165 transitions. [2025-02-08 09:29:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:29:34,370 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:34,370 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:34,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-08 09:29:34,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:34,573 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:34,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:34,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2034693616, now seen corresponding path program 1 times [2025-02-08 09:29:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:34,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323866880] [2025-02-08 09:29:34,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:34,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:29:34,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:29:34,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:34,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:34,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293639650] [2025-02-08 09:29:34,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:34,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:34,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:34,587 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:34,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:29:34,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:29:34,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:29:34,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:34,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:34,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:29:34,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:34,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:34,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:34,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323866880] [2025-02-08 09:29:34,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:34,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293639650] [2025-02-08 09:29:34,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293639650] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:34,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:34,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:29:34,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203951241] [2025-02-08 09:29:34,921 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:34,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:29:34,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:34,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:29:34,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:29:34,923 INFO L87 Difference]: Start difference. First operand 840 states and 1165 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 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) [2025-02-08 09:29:35,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:35,255 INFO L93 Difference]: Finished difference Result 1068 states and 1439 transitions. [2025-02-08 09:29:35,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:29:35,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 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 91 [2025-02-08 09:29:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:35,257 INFO L225 Difference]: With dead ends: 1068 [2025-02-08 09:29:35,257 INFO L226 Difference]: Without dead ends: 1067 [2025-02-08 09:29:35,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:29:35,258 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 311 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:35,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 559 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2025-02-08 09:29:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 850. [2025-02-08 09:29:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 711 states have (on average 1.3966244725738397) internal successors, (993), 755 states have internal predecessors, (993), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1177 transitions. [2025-02-08 09:29:35,310 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1177 transitions. Word has length 91 [2025-02-08 09:29:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:35,310 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1177 transitions. [2025-02-08 09:29:35,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 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) [2025-02-08 09:29:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1177 transitions. [2025-02-08 09:29:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:29:35,311 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:35,311 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:35,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-08 09:29:35,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:35,512 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1746788979, now seen corresponding path program 1 times [2025-02-08 09:29:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:35,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58120721] [2025-02-08 09:29:35,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:35,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:35,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:29:35,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:29:35,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:35,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:35,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173409513] [2025-02-08 09:29:35,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:35,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:35,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:35,526 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:35,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:29:35,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:29:35,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:29:35,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:35,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:35,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-08 09:29:35,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:29:35,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:40,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:40,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58120721] [2025-02-08 09:29:40,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:40,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173409513] [2025-02-08 09:29:40,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173409513] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:40,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:40,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:29:40,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508952931] [2025-02-08 09:29:40,158 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:40,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:29:40,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:40,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:29:40,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=225, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:29:40,159 INFO L87 Difference]: Start difference. First operand 850 states and 1177 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:40,976 INFO L93 Difference]: Finished difference Result 1092 states and 1484 transitions. [2025-02-08 09:29:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:29:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 91 [2025-02-08 09:29:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:40,979 INFO L225 Difference]: With dead ends: 1092 [2025-02-08 09:29:40,979 INFO L226 Difference]: Without dead ends: 1090 [2025-02-08 09:29:40,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=106, Invalid=493, Unknown=1, NotChecked=0, Total=600 [2025-02-08 09:29:40,980 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 569 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:40,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 611 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:29:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2025-02-08 09:29:41,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 860. [2025-02-08 09:29:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 721 states have (on average 1.3925104022191401) internal successors, (1004), 765 states have internal predecessors, (1004), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-02-08 09:29:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1188 transitions. [2025-02-08 09:29:41,051 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1188 transitions. Word has length 91 [2025-02-08 09:29:41,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:41,051 INFO L471 AbstractCegarLoop]: Abstraction has 860 states and 1188 transitions. [2025-02-08 09:29:41,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:29:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1188 transitions. [2025-02-08 09:29:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-08 09:29:41,053 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:41,053 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:41,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:41,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:41,257 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:41,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:41,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1349007354, now seen corresponding path program 1 times [2025-02-08 09:29:41,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:41,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124108180] [2025-02-08 09:29:41,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:41,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-08 09:29:41,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 09:29:41,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:41,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-08 09:29:41,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:41,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124108180] [2025-02-08 09:29:41,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124108180] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:41,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750310381] [2025-02-08 09:29:41,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:41,320 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:41,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:29:41,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-08 09:29:41,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 09:29:41,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:41,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:41,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:29:41,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-08 09:29:41,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:41,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750310381] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:41,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:41,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:29:41,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901501966] [2025-02-08 09:29:41,587 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:41,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:29:41,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:41,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:29:41,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:29:41,587 INFO L87 Difference]: Start difference. First operand 860 states and 1188 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:42,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:42,234 INFO L93 Difference]: Finished difference Result 1090 states and 1477 transitions. [2025-02-08 09:29:42,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:29:42,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 92 [2025-02-08 09:29:42,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:42,236 INFO L225 Difference]: With dead ends: 1090 [2025-02-08 09:29:42,236 INFO L226 Difference]: Without dead ends: 1089 [2025-02-08 09:29:42,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:29:42,237 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 277 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:42,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 703 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:29:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2025-02-08 09:29:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1002. [2025-02-08 09:29:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 847 states have (on average 1.4321133412042504) internal successors, (1213), 891 states have internal predecessors, (1213), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2025-02-08 09:29:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1429 transitions. [2025-02-08 09:29:42,304 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1429 transitions. Word has length 92 [2025-02-08 09:29:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:42,304 INFO L471 AbstractCegarLoop]: Abstraction has 1002 states and 1429 transitions. [2025-02-08 09:29:42,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1429 transitions. [2025-02-08 09:29:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 09:29:42,305 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:42,305 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:42,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:42,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-02-08 09:29:42,506 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:42,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1130444978, now seen corresponding path program 1 times [2025-02-08 09:29:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:42,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102463361] [2025-02-08 09:29:42,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:42,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 09:29:42,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 09:29:42,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:42,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:42,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189166576] [2025-02-08 09:29:42,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:42,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:42,518 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:42,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:29:42,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 09:29:42,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 09:29:42,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:42,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:42,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:29:42,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:42,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:51,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:51,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102463361] [2025-02-08 09:29:51,262 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:51,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189166576] [2025-02-08 09:29:51,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189166576] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:51,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:51,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:29:51,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151880388] [2025-02-08 09:29:51,262 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:51,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:29:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:51,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:29:51,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=181, Unknown=2, NotChecked=0, Total=240 [2025-02-08 09:29:51,264 INFO L87 Difference]: Start difference. First operand 1002 states and 1429 transitions. Second operand has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:52,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:52,281 INFO L93 Difference]: Finished difference Result 1448 states and 1992 transitions. [2025-02-08 09:29:52,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:29:52,282 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2025-02-08 09:29:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:52,284 INFO L225 Difference]: With dead ends: 1448 [2025-02-08 09:29:52,285 INFO L226 Difference]: Without dead ends: 1447 [2025-02-08 09:29:52,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=110, Invalid=350, Unknown=2, NotChecked=0, Total=462 [2025-02-08 09:29:52,285 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1180 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:52,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1202 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:29:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2025-02-08 09:29:52,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1108. [2025-02-08 09:29:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 941 states have (on average 1.4229543039319872) internal successors, (1339), 985 states have internal predecessors, (1339), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-08 09:29:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1579 transitions. [2025-02-08 09:29:52,366 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1579 transitions. Word has length 93 [2025-02-08 09:29:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:52,366 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1579 transitions. [2025-02-08 09:29:52,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.333333333333333) internal successors, (110), 16 states have internal predecessors, (110), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1579 transitions. [2025-02-08 09:29:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:29:52,367 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:52,368 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:52,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-02-08 09:29:52,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-02-08 09:29:52,568 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:52,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:52,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2001265673, now seen corresponding path program 1 times [2025-02-08 09:29:52,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:52,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496675871] [2025-02-08 09:29:52,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:52,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:29:52,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:29:52,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:52,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:52,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529896822] [2025-02-08 09:29:52,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:52,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:52,578 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:52,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:29:52,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:29:52,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:29:52,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:52,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:52,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 09:29:52,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:52,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496675871] [2025-02-08 09:29:53,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529896822] [2025-02-08 09:29:53,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529896822] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:53,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:29:53,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:29:53,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130747112] [2025-02-08 09:29:53,141 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:53,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:29:53,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:53,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:29:53,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:29:53,142 INFO L87 Difference]: Start difference. First operand 1108 states and 1579 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 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) [2025-02-08 09:29:54,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:54,056 INFO L93 Difference]: Finished difference Result 1398 states and 1963 transitions. [2025-02-08 09:29:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:29:54,056 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 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 95 [2025-02-08 09:29:54,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:54,059 INFO L225 Difference]: With dead ends: 1398 [2025-02-08 09:29:54,059 INFO L226 Difference]: Without dead ends: 1396 [2025-02-08 09:29:54,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:29:54,060 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 289 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:54,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 593 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:29:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2025-02-08 09:29:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1112. [2025-02-08 09:29:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 945 states have (on average 1.421164021164021) internal successors, (1343), 989 states have internal predecessors, (1343), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-08 09:29:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1583 transitions. [2025-02-08 09:29:54,148 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1583 transitions. Word has length 95 [2025-02-08 09:29:54,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:54,148 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1583 transitions. [2025-02-08 09:29:54,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 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) [2025-02-08 09:29:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1583 transitions. [2025-02-08 09:29:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:29:54,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:54,150 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:54,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:54,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:54,350 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:54,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:54,351 INFO L85 PathProgramCache]: Analyzing trace with hash -247765770, now seen corresponding path program 1 times [2025-02-08 09:29:54,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039981338] [2025-02-08 09:29:54,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:54,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:29:54,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:29:54,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:54,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-08 09:29:54,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039981338] [2025-02-08 09:29:54,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039981338] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490990234] [2025-02-08 09:29:54,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:54,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:54,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:54,403 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:54,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:29:54,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-08 09:29:54,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:29:54,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:54,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:54,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:29:54,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-02-08 09:29:54,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:55,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490990234] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:29:55,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:55,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:29:55,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922797161] [2025-02-08 09:29:55,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:55,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:29:55,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:55,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:29:55,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:29:55,899 INFO L87 Difference]: Start difference. First operand 1112 states and 1583 transitions. Second operand has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:56,287 INFO L93 Difference]: Finished difference Result 1158 states and 1600 transitions. [2025-02-08 09:29:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:29:56,288 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 96 [2025-02-08 09:29:56,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:56,290 INFO L225 Difference]: With dead ends: 1158 [2025-02-08 09:29:56,290 INFO L226 Difference]: Without dead ends: 1157 [2025-02-08 09:29:56,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=136, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:29:56,291 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 134 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:56,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 753 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:29:56,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2025-02-08 09:29:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1112. [2025-02-08 09:29:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 945 states have (on average 1.4190476190476191) internal successors, (1341), 989 states have internal predecessors, (1341), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-08 09:29:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1581 transitions. [2025-02-08 09:29:56,362 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1581 transitions. Word has length 96 [2025-02-08 09:29:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:56,362 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1581 transitions. [2025-02-08 09:29:56,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 10 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1581 transitions. [2025-02-08 09:29:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 09:29:56,363 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:56,363 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:56,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2025-02-08 09:29:56,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-02-08 09:29:56,564 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:56,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:56,564 INFO L85 PathProgramCache]: Analyzing trace with hash 909195722, now seen corresponding path program 1 times [2025-02-08 09:29:56,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:56,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698411885] [2025-02-08 09:29:56,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:56,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:29:56,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:29:56,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:56,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:56,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1099861857] [2025-02-08 09:29:56,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:56,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:56,577 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:56,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-02-08 09:29:56,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:29:56,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:29:56,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:56,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:56,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:29:56,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:56,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:29:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-08 09:29:57,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:29:57,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698411885] [2025-02-08 09:29:57,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:29:57,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099861857] [2025-02-08 09:29:57,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099861857] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:29:57,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:29:57,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2025-02-08 09:29:57,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956160673] [2025-02-08 09:29:57,049 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:29:57,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:29:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:29:57,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:29:57,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:29:57,050 INFO L87 Difference]: Start difference. First operand 1112 states and 1581 transitions. Second operand has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:58,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:29:58,959 INFO L93 Difference]: Finished difference Result 1493 states and 1997 transitions. [2025-02-08 09:29:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:29:58,959 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2025-02-08 09:29:58,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:29:58,962 INFO L225 Difference]: With dead ends: 1493 [2025-02-08 09:29:58,962 INFO L226 Difference]: Without dead ends: 1492 [2025-02-08 09:29:58,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:29:58,963 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 1738 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:29:58,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 1435 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 09:29:58,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2025-02-08 09:29:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1123. [2025-02-08 09:29:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 956 states have (on average 1.4205020920502092) internal successors, (1358), 1000 states have internal predecessors, (1358), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-08 09:29:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1598 transitions. [2025-02-08 09:29:59,046 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1598 transitions. Word has length 97 [2025-02-08 09:29:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:29:59,046 INFO L471 AbstractCegarLoop]: Abstraction has 1123 states and 1598 transitions. [2025-02-08 09:29:59,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 18 states have internal predecessors, (118), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:29:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1598 transitions. [2025-02-08 09:29:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 09:29:59,047 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:29:59,047 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:29:59,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-02-08 09:29:59,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-02-08 09:29:59,251 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:29:59,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:29:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash -929037497, now seen corresponding path program 1 times [2025-02-08 09:29:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:29:59,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012201521] [2025-02-08 09:29:59,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:29:59,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:29:59,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:29:59,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:59,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:29:59,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391753152] [2025-02-08 09:29:59,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:29:59,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:29:59,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:29:59,261 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:29:59,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-02-08 09:29:59,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-08 09:29:59,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:29:59,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:29:59,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:29:59,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:29:59,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:29:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:29:59,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:30:04,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:30:04,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012201521] [2025-02-08 09:30:04,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:30:04,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391753152] [2025-02-08 09:30:04,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391753152] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:30:04,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:30:04,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:30:04,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405505473] [2025-02-08 09:30:04,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:30:04,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:30:04,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:30:04,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:30:04,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:30:04,136 INFO L87 Difference]: Start difference. First operand 1123 states and 1598 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:30:04,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:30:04,933 INFO L93 Difference]: Finished difference Result 1512 states and 2101 transitions. [2025-02-08 09:30:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:30:04,934 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 97 [2025-02-08 09:30:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:30:04,936 INFO L225 Difference]: With dead ends: 1512 [2025-02-08 09:30:04,936 INFO L226 Difference]: Without dead ends: 1510 [2025-02-08 09:30:04,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=125, Invalid=380, Unknown=1, NotChecked=0, Total=506 [2025-02-08 09:30:04,941 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 441 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:30:04,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 707 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:30:04,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2025-02-08 09:30:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1137. [2025-02-08 09:30:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 969 states have (on average 1.414860681114551) internal successors, (1371), 1013 states have internal predecessors, (1371), 121 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2025-02-08 09:30:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1613 transitions. [2025-02-08 09:30:05,031 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1613 transitions. Word has length 97 [2025-02-08 09:30:05,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:30:05,031 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1613 transitions. [2025-02-08 09:30:05,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:30:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1613 transitions. [2025-02-08 09:30:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 09:30:05,032 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:30:05,032 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:30:05,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-02-08 09:30:05,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,51 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:30:05,232 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:30:05,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:30:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1173896194, now seen corresponding path program 1 times [2025-02-08 09:30:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:30:05,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682286733] [2025-02-08 09:30:05,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:30:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:30:05,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:30:05,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:30:05,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:30:05,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:30:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:30:05,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:30:05,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682286733] [2025-02-08 09:30:05,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682286733] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:30:05,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:30:05,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:30:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963458784] [2025-02-08 09:30:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:30:05,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:30:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:30:05,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:30:05,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:30:05,273 INFO L87 Difference]: Start difference. First operand 1137 states and 1613 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:30:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:30:05,463 INFO L93 Difference]: Finished difference Result 2121 states and 3034 transitions. [2025-02-08 09:30:05,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:30:05,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 99 [2025-02-08 09:30:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:30:05,466 INFO L225 Difference]: With dead ends: 2121 [2025-02-08 09:30:05,466 INFO L226 Difference]: Without dead ends: 1207 [2025-02-08 09:30:05,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:30:05,467 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 19 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:30:05,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 404 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:30:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2025-02-08 09:30:05,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1171. [2025-02-08 09:30:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1003 states have (on average 1.4057826520438683) internal successors, (1410), 1047 states have internal predecessors, (1410), 121 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2025-02-08 09:30:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1652 transitions. [2025-02-08 09:30:05,549 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1652 transitions. Word has length 99 [2025-02-08 09:30:05,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:30:05,549 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1652 transitions. [2025-02-08 09:30:05,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:30:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1652 transitions. [2025-02-08 09:30:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:30:05,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:30:05,549 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:30:05,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2025-02-08 09:30:05,550 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:30:05,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:30:05,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1264608641, now seen corresponding path program 1 times [2025-02-08 09:30:05,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:30:05,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591778780] [2025-02-08 09:30:05,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:30:05,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:30:05,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:30:05,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:30:05,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:30:05,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:30:05,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134481272] [2025-02-08 09:30:05,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:30:05,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:30:05,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:30:05,562 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:30:05,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-02-08 09:30:05,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:30:05,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:30:05,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:30:05,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:30:05,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:30:05,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:30:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:30:06,099 INFO L312 TraceCheckSpWp]: Computing backward predicates...