./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/hard-ll.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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:49:14,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:49:14,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:49:14,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:49:14,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:49:14,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:49:14,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:49:14,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:49:14,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:49:14,620 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:49:14,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:49:14,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:49:14,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:49:14,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:49:14,621 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:49:14,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:49:14,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:49:14,623 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:49:14,624 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:14,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:49:14,624 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:14,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:49:14,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:49:14,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:49:14,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:49:14,626 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:49:14,626 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 -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2025-01-10 01:49:14,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:49:14,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:49:14,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:49:14,936 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:49:14,936 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:49:14,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/hard-ll.c [2025-01-10 01:49:16,253 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e84c13502/06f3e59a951c48f7841fd4849fb9cc67/FLAG41e37f22d [2025-01-10 01:49:16,517 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:49:16,518 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/hard-ll.c [2025-01-10 01:49:16,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e84c13502/06f3e59a951c48f7841fd4849fb9cc67/FLAG41e37f22d [2025-01-10 01:49:16,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e84c13502/06f3e59a951c48f7841fd4849fb9cc67 [2025-01-10 01:49:16,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:49:16,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:49:16,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:49:16,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:49:16,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:49:16,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:16" (1/1) ... [2025-01-10 01:49:16,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e958da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:16, skipping insertion in model container [2025-01-10 01:49:16,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:16" (1/1) ... [2025-01-10 01:49:16,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:49:17,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:49:17,020 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:49:17,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:49:17,054 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:49:17,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17 WrapperNode [2025-01-10 01:49:17,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:49:17,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:49:17,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:49:17,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:49:17,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,096 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2025-01-10 01:49:17,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:49:17,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:49:17,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:49:17,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:49:17,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,126 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 01:49:17,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:49:17,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:49:17,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:49:17,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:49:17,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (1/1) ... [2025-01-10 01:49:17,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:17,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:49:17,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:49:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:49:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:49:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:49:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:49:17,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:49:17,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:49:17,248 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:49:17,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:49:17,557 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-01-10 01:49:17,557 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:49:17,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:49:17,568 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 01:49:17,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:17 BoogieIcfgContainer [2025-01-10 01:49:17,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:49:17,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:49:17,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:49:17,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:49:17,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:49:16" (1/3) ... [2025-01-10 01:49:17,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d8ae48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:17, skipping insertion in model container [2025-01-10 01:49:17,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:17" (2/3) ... [2025-01-10 01:49:17,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d8ae48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:17, skipping insertion in model container [2025-01-10 01:49:17,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:17" (3/3) ... [2025-01-10 01:49:17,578 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll.c [2025-01-10 01:49:17,590 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:49:17,591 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll.c that has 2 procedures, 72 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-01-10 01:49:17,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:49:17,650 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;@5240c963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:49:17,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-01-10 01:49:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 01:49:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:49:17,661 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:17,661 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:49:17,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:17,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:17,667 INFO L85 PathProgramCache]: Analyzing trace with hash 889509419, now seen corresponding path program 1 times [2025-01-10 01:49:17,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:17,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721316577] [2025-01-10 01:49:17,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:17,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:17,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:49:17,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:49:17,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:17,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:17,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:17,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721316577] [2025-01-10 01:49:17,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721316577] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:17,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:17,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:17,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119345977] [2025-01-10 01:49:17,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:17,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:49:17,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:17,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:49:17,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:49:17,825 INFO L87 Difference]: Start difference. First operand has 72 states, 40 states have (on average 1.75) internal successors, (70), 63 states have internal predecessors, (70), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:17,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:17,849 INFO L93 Difference]: Finished difference Result 140 states and 170 transitions. [2025-01-10 01:49:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:49:17,852 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:49:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:17,860 INFO L225 Difference]: With dead ends: 140 [2025-01-10 01:49:17,860 INFO L226 Difference]: Without dead ends: 64 [2025-01-10 01:49:17,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:49:17,870 INFO L435 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:17,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:17,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-01-10 01:49:17,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-01-10 01:49:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 70 transitions. [2025-01-10 01:49:17,914 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 70 transitions. Word has length 6 [2025-01-10 01:49:17,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:17,914 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 70 transitions. [2025-01-10 01:49:17,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2025-01-10 01:49:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:49:17,917 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:17,917 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:17,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:49:17,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:17,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1586300454, now seen corresponding path program 1 times [2025-01-10 01:49:17,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:17,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601042203] [2025-01-10 01:49:17,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:17,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:49:17,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:49:17,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:17,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:17,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298702618] [2025-01-10 01:49:17,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:17,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:17,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:17,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:49:17,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:49:17,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:49:18,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:18,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:18,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:18,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:18,042 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:18,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:18,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601042203] [2025-01-10 01:49:18,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:18,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298702618] [2025-01-10 01:49:18,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298702618] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:18,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:18,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:18,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812442487] [2025-01-10 01:49:18,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:18,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:18,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:18,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:18,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,046 INFO L87 Difference]: Start difference. First operand 64 states and 70 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:49:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:18,134 INFO L93 Difference]: Finished difference Result 137 states and 154 transitions. [2025-01-10 01:49:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:18,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-01-10 01:49:18,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:18,136 INFO L225 Difference]: With dead ends: 137 [2025-01-10 01:49:18,136 INFO L226 Difference]: Without dead ends: 89 [2025-01-10 01:49:18,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,137 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 19 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:18,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 109 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-01-10 01:49:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2025-01-10 01:49:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 48 states have (on average 1.6875) internal successors, (81), 71 states have internal predecessors, (81), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 01:49:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2025-01-10 01:49:18,157 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 15 [2025-01-10 01:49:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:18,158 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2025-01-10 01:49:18,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:49:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2025-01-10 01:49:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:49:18,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:18,159 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:18,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:49:18,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:18,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:18,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:18,361 INFO L85 PathProgramCache]: Analyzing trace with hash -823250556, now seen corresponding path program 1 times [2025-01-10 01:49:18,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:18,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526515699] [2025-01-10 01:49:18,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:18,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:18,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:49:18,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:49:18,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:18,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:18,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588503927] [2025-01-10 01:49:18,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:18,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:18,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:49:18,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:49:18,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:49:18,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:18,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:18,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:18,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:18,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:18,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:18,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526515699] [2025-01-10 01:49:18,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:18,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588503927] [2025-01-10 01:49:18,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588503927] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:18,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:18,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:18,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602836377] [2025-01-10 01:49:18,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:18,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:18,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:18,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:18,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,483 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:18,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:18,571 INFO L93 Difference]: Finished difference Result 117 states and 144 transitions. [2025-01-10 01:49:18,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:18,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-01-10 01:49:18,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:18,573 INFO L225 Difference]: With dead ends: 117 [2025-01-10 01:49:18,573 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 01:49:18,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,575 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:18,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 01:49:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 99. [2025-01-10 01:49:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 85 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:49:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2025-01-10 01:49:18,589 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 127 transitions. Word has length 23 [2025-01-10 01:49:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:18,589 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 127 transitions. [2025-01-10 01:49:18,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2025-01-10 01:49:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:49:18,590 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:18,590 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:18,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:49:18,790 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 [2025-01-10 01:49:18,791 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:18,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:18,791 INFO L85 PathProgramCache]: Analyzing trace with hash -823250507, now seen corresponding path program 1 times [2025-01-10 01:49:18,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:18,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542909601] [2025-01-10 01:49:18,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:18,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:49:18,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:49:18,807 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:18,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:18,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:18,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542909601] [2025-01-10 01:49:18,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542909601] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:18,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:18,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:18,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301615758] [2025-01-10 01:49:18,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:18,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:18,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:18,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:18,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,912 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:18,968 INFO L93 Difference]: Finished difference Result 99 states and 127 transitions. [2025-01-10 01:49:18,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:18,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-01-10 01:49:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:18,970 INFO L225 Difference]: With dead ends: 99 [2025-01-10 01:49:18,970 INFO L226 Difference]: Without dead ends: 97 [2025-01-10 01:49:18,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:18,971 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 38 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:18,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 57 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:18,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-01-10 01:49:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-01-10 01:49:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.596774193548387) internal successors, (99), 83 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:49:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2025-01-10 01:49:18,981 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 23 [2025-01-10 01:49:18,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:18,982 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2025-01-10 01:49:18,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:18,982 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2025-01-10 01:49:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 01:49:18,982 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:18,982 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:18,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:49:18,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:18,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 249038117, now seen corresponding path program 1 times [2025-01-10 01:49:18,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:18,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142843175] [2025-01-10 01:49:18,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:18,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:18,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:49:19,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:49:19,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:19,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:19,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:19,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142843175] [2025-01-10 01:49:19,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142843175] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:19,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:19,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:19,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765409366] [2025-01-10 01:49:19,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:19,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:19,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:19,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:19,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:19,089 INFO L87 Difference]: Start difference. First operand 97 states and 123 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:19,135 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2025-01-10 01:49:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:19,137 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-01-10 01:49:19,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:19,138 INFO L225 Difference]: With dead ends: 104 [2025-01-10 01:49:19,138 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 01:49:19,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:19,139 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:19,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 104 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 01:49:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2025-01-10 01:49:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.5806451612903225) internal successors, (98), 83 states have internal predecessors, (98), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:49:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2025-01-10 01:49:19,147 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 24 [2025-01-10 01:49:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:19,148 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2025-01-10 01:49:19,148 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2025-01-10 01:49:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 01:49:19,150 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:19,150 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:19,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:49:19,151 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:19,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash -869799578, now seen corresponding path program 1 times [2025-01-10 01:49:19,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:19,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517374579] [2025-01-10 01:49:19,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:19,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:19,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:49:19,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:49:19,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:19,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:19,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:19,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517374579] [2025-01-10 01:49:19,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517374579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:19,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:19,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:19,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483022717] [2025-01-10 01:49:19,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:19,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:19,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:19,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:19,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:19,266 INFO L87 Difference]: Start difference. First operand 97 states and 122 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:19,456 INFO L93 Difference]: Finished difference Result 111 states and 135 transitions. [2025-01-10 01:49:19,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-01-10 01:49:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:19,458 INFO L225 Difference]: With dead ends: 111 [2025-01-10 01:49:19,458 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 01:49:19,458 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:19,458 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 82 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:19,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 77 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:19,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 01:49:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 100. [2025-01-10 01:49:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 65 states have (on average 1.5538461538461539) internal successors, (101), 86 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:49:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2025-01-10 01:49:19,476 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 125 transitions. Word has length 25 [2025-01-10 01:49:19,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:19,476 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 125 transitions. [2025-01-10 01:49:19,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 125 transitions. [2025-01-10 01:49:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 01:49:19,481 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:19,481 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:19,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:49:19,481 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:19,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:19,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1193983067, now seen corresponding path program 1 times [2025-01-10 01:49:19,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:19,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934672699] [2025-01-10 01:49:19,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:19,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:19,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:49:19,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:49:19,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:19,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:19,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4652210] [2025-01-10 01:49:19,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:19,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:19,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:49:19,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:49:19,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:49:19,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:19,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:19,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:49:19,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:19,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:19,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:19,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934672699] [2025-01-10 01:49:19,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:19,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4652210] [2025-01-10 01:49:19,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4652210] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:19,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:19,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:19,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169513497] [2025-01-10 01:49:19,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:19,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:19,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:19,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:19,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:19,690 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:19,868 INFO L93 Difference]: Finished difference Result 106 states and 130 transitions. [2025-01-10 01:49:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:19,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-01-10 01:49:19,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:19,870 INFO L225 Difference]: With dead ends: 106 [2025-01-10 01:49:19,870 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 01:49:19,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:19,871 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 20 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:19,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 103 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:19,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 01:49:19,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-01-10 01:49:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 68 states have (on average 1.5147058823529411) internal successors, (103), 89 states have internal predecessors, (103), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:49:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2025-01-10 01:49:19,884 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 26 [2025-01-10 01:49:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:19,884 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2025-01-10 01:49:19,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:49:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2025-01-10 01:49:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 01:49:19,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:19,886 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:19,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:49:20,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:20,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:20,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2080436541, now seen corresponding path program 1 times [2025-01-10 01:49:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:20,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198874165] [2025-01-10 01:49:20,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:20,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:20,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 01:49:20,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 01:49:20,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:20,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:20,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554149972] [2025-01-10 01:49:20,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:20,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:20,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:20,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:49:20,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 01:49:20,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 01:49:20,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:20,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:20,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:20,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:49:20,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:20,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:20,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198874165] [2025-01-10 01:49:20,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:20,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554149972] [2025-01-10 01:49:20,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554149972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:20,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:20,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973246257] [2025-01-10 01:49:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:20,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:20,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:20,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:20,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:20,198 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:20,278 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2025-01-10 01:49:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:20,278 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), 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 37 [2025-01-10 01:49:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:20,280 INFO L225 Difference]: With dead ends: 119 [2025-01-10 01:49:20,280 INFO L226 Difference]: Without dead ends: 109 [2025-01-10 01:49:20,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:20,281 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 39 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:20,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 126 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-01-10 01:49:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2025-01-10 01:49:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 92 states have internal predecessors, (106), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 01:49:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2025-01-10 01:49:20,302 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 37 [2025-01-10 01:49:20,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:20,303 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2025-01-10 01:49:20,304 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2025-01-10 01:49:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:49:20,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:20,306 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:20,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:49:20,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-10 01:49:20,507 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:20,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:20,508 INFO L85 PathProgramCache]: Analyzing trace with hash -69023283, now seen corresponding path program 1 times [2025-01-10 01:49:20,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:20,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216257078] [2025-01-10 01:49:20,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:20,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:49:20,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:49:20,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:20,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:20,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910478102] [2025-01-10 01:49:20,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:20,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:20,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:49:20,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:49:20,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:49:20,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:20,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:20,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:20,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:49:20,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:20,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216257078] [2025-01-10 01:49:20,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:20,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910478102] [2025-01-10 01:49:20,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910478102] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:20,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:20,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 01:49:20,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993607841] [2025-01-10 01:49:20,718 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:20,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:20,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:20,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:20,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:20,719 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:20,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:20,826 INFO L93 Difference]: Finished difference Result 180 states and 230 transitions. [2025-01-10 01:49:20,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:20,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (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 38 [2025-01-10 01:49:20,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:20,829 INFO L225 Difference]: With dead ends: 180 [2025-01-10 01:49:20,829 INFO L226 Difference]: Without dead ends: 176 [2025-01-10 01:49:20,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:20,830 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 43 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:20,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 137 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-01-10 01:49:20,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 162. [2025-01-10 01:49:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 120 states have (on average 1.425) internal successors, (171), 137 states have internal predecessors, (171), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:49:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 217 transitions. [2025-01-10 01:49:20,856 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 217 transitions. Word has length 38 [2025-01-10 01:49:20,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:20,860 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 217 transitions. [2025-01-10 01:49:20,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 217 transitions. [2025-01-10 01:49:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:49:20,861 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:20,861 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:20,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:49:21,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:21,062 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:21,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:21,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1427550662, now seen corresponding path program 1 times [2025-01-10 01:49:21,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:21,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034231617] [2025-01-10 01:49:21,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:21,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:49:21,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:49:21,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:21,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:49:21,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:21,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034231617] [2025-01-10 01:49:21,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034231617] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:21,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:21,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:21,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876096286] [2025-01-10 01:49:21,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:21,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:21,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:21,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:21,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:21,151 INFO L87 Difference]: Start difference. First operand 162 states and 217 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:21,311 INFO L93 Difference]: Finished difference Result 172 states and 228 transitions. [2025-01-10 01:49:21,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:21,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2025-01-10 01:49:21,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:21,313 INFO L225 Difference]: With dead ends: 172 [2025-01-10 01:49:21,313 INFO L226 Difference]: Without dead ends: 159 [2025-01-10 01:49:21,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:21,314 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:21,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 104 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:21,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-01-10 01:49:21,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2025-01-10 01:49:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 111 states have (on average 1.4504504504504505) internal successors, (161), 128 states have internal predecessors, (161), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 01:49:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 203 transitions. [2025-01-10 01:49:21,332 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 203 transitions. Word has length 42 [2025-01-10 01:49:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:21,332 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 203 transitions. [2025-01-10 01:49:21,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 203 transitions. [2025-01-10 01:49:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 01:49:21,333 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:21,333 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:21,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 01:49:21,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:21,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:21,334 INFO L85 PathProgramCache]: Analyzing trace with hash 104422696, now seen corresponding path program 1 times [2025-01-10 01:49:21,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:21,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070334073] [2025-01-10 01:49:21,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:21,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 01:49:21,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:49:21,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:21,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:49:21,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:21,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070334073] [2025-01-10 01:49:21,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070334073] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:21,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926592371] [2025-01-10 01:49:21,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:21,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:21,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:21,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 01:49:21,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 01:49:21,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:49:21,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:21,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:21,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:21,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:49:21,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:49:21,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926592371] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:21,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:49:21,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:49:21,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825085465] [2025-01-10 01:49:21,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:21,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:49:21,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:21,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:49:21,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:49:21,567 INFO L87 Difference]: Start difference. First operand 151 states and 203 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:49:21,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:21,739 INFO L93 Difference]: Finished difference Result 262 states and 346 transitions. [2025-01-10 01:49:21,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:49:21,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 46 [2025-01-10 01:49:21,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:21,741 INFO L225 Difference]: With dead ends: 262 [2025-01-10 01:49:21,741 INFO L226 Difference]: Without dead ends: 260 [2025-01-10 01:49:21,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:49:21,742 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 148 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:21,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 166 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:21,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-01-10 01:49:21,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 213. [2025-01-10 01:49:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 161 states have (on average 1.453416149068323) internal successors, (234), 178 states have internal predecessors, (234), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:49:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 300 transitions. [2025-01-10 01:49:21,768 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 300 transitions. Word has length 46 [2025-01-10 01:49:21,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:21,768 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 300 transitions. [2025-01-10 01:49:21,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:49:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 300 transitions. [2025-01-10 01:49:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 01:49:21,769 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:21,769 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:21,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:21,969 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,SelfDestructingSolverStorable10 [2025-01-10 01:49:21,970 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:21,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1564518120, now seen corresponding path program 1 times [2025-01-10 01:49:21,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:21,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774044150] [2025-01-10 01:49:21,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:21,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:21,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 01:49:21,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 01:49:21,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:21,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:21,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615884032] [2025-01-10 01:49:21,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:21,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:21,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:21,989 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:21,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:49:22,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 01:49:22,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 01:49:22,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:22,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:22,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:49:22,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:49:22,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:49:22,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:22,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774044150] [2025-01-10 01:49:22,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:22,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615884032] [2025-01-10 01:49:22,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615884032] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:22,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:22,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:49:22,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330521979] [2025-01-10 01:49:22,361 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:22,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:49:22,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:22,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:49:22,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:22,363 INFO L87 Difference]: Start difference. First operand 213 states and 300 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:49:22,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:22,839 INFO L93 Difference]: Finished difference Result 242 states and 337 transitions. [2025-01-10 01:49:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:49:22,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 48 [2025-01-10 01:49:22,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:22,841 INFO L225 Difference]: With dead ends: 242 [2025-01-10 01:49:22,841 INFO L226 Difference]: Without dead ends: 236 [2025-01-10 01:49:22,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:49:22,842 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 187 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:22,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 118 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:49:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2025-01-10 01:49:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2025-01-10 01:49:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 157 states have (on average 1.4203821656050954) internal successors, (223), 174 states have internal predecessors, (223), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:49:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2025-01-10 01:49:22,872 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 48 [2025-01-10 01:49:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:22,873 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2025-01-10 01:49:22,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:49:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2025-01-10 01:49:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 01:49:22,874 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:22,874 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:49:22,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:23,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:23,075 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:23,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:23,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1872519312, now seen corresponding path program 2 times [2025-01-10 01:49:23,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110467765] [2025-01-10 01:49:23,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:23,082 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-10 01:49:23,092 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:49:23,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:23,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:23,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636644190] [2025-01-10 01:49:23,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:23,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:23,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:23,096 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:23,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:49:23,129 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-10 01:49:23,148 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:49:23,148 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:23,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:23,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:23,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:23,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:23,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110467765] [2025-01-10 01:49:23,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:23,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636644190] [2025-01-10 01:49:23,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636644190] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:23,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:23,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:49:23,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755421859] [2025-01-10 01:49:23,278 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:23,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:23,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:23,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:23,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:49:23,279 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:23,436 INFO L93 Difference]: Finished difference Result 316 states and 425 transitions. [2025-01-10 01:49:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:23,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 60 [2025-01-10 01:49:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:23,438 INFO L225 Difference]: With dead ends: 316 [2025-01-10 01:49:23,438 INFO L226 Difference]: Without dead ends: 312 [2025-01-10 01:49:23,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:49:23,439 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 61 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:23,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 188 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:23,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-01-10 01:49:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 230. [2025-01-10 01:49:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 176 states have (on average 1.375) internal successors, (242), 193 states have internal predecessors, (242), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:49:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 312 transitions. [2025-01-10 01:49:23,464 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 312 transitions. Word has length 60 [2025-01-10 01:49:23,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:23,465 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 312 transitions. [2025-01-10 01:49:23,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 312 transitions. [2025-01-10 01:49:23,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-10 01:49:23,466 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:23,466 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-01-10 01:49:23,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:49:23,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:23,670 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:23,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:23,671 INFO L85 PathProgramCache]: Analyzing trace with hash -995517582, now seen corresponding path program 1 times [2025-01-10 01:49:23,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:23,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116685735] [2025-01-10 01:49:23,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:23,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:49:23,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:49:23,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:23,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 01:49:23,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:23,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116685735] [2025-01-10 01:49:23,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116685735] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:23,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:23,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:23,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127500812] [2025-01-10 01:49:23,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:23,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:23,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:23,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:23,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:23,725 INFO L87 Difference]: Start difference. First operand 230 states and 312 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:23,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:23,815 INFO L93 Difference]: Finished difference Result 230 states and 312 transitions. [2025-01-10 01:49:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 67 [2025-01-10 01:49:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:23,817 INFO L225 Difference]: With dead ends: 230 [2025-01-10 01:49:23,817 INFO L226 Difference]: Without dead ends: 229 [2025-01-10 01:49:23,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:23,818 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:23,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 94 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:23,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-01-10 01:49:23,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-01-10 01:49:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 176 states have (on average 1.3579545454545454) internal successors, (239), 192 states have internal predecessors, (239), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:49:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 309 transitions. [2025-01-10 01:49:23,847 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 309 transitions. Word has length 67 [2025-01-10 01:49:23,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:23,848 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 309 transitions. [2025-01-10 01:49:23,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 309 transitions. [2025-01-10 01:49:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-10 01:49:23,849 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:23,849 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:23,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:49:23,849 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:23,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash -796273869, now seen corresponding path program 1 times [2025-01-10 01:49:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:23,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808918798] [2025-01-10 01:49:23,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:23,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-10 01:49:23,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 01:49:23,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:23,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 01:49:24,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:24,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808918798] [2025-01-10 01:49:24,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808918798] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:24,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:24,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:49:24,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885657907] [2025-01-10 01:49:24,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:24,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:49:24,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:24,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:49:24,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:49:24,058 INFO L87 Difference]: Start difference. First operand 229 states and 309 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:24,351 INFO L93 Difference]: Finished difference Result 381 states and 529 transitions. [2025-01-10 01:49:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:49:24,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 68 [2025-01-10 01:49:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:24,354 INFO L225 Difference]: With dead ends: 381 [2025-01-10 01:49:24,354 INFO L226 Difference]: Without dead ends: 380 [2025-01-10 01:49:24,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:24,355 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 90 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:24,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 207 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:24,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-01-10 01:49:24,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 325. [2025-01-10 01:49:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 260 states have (on average 1.4192307692307693) internal successors, (369), 276 states have internal predecessors, (369), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 01:49:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 463 transitions. [2025-01-10 01:49:24,390 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 463 transitions. Word has length 68 [2025-01-10 01:49:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:24,390 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 463 transitions. [2025-01-10 01:49:24,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:49:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 463 transitions. [2025-01-10 01:49:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-10 01:49:24,391 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:24,391 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:24,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:49:24,391 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:24,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1085313940, now seen corresponding path program 1 times [2025-01-10 01:49:24,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:24,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411904766] [2025-01-10 01:49:24,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:24,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:24,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:49:24,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:49:24,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:24,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:24,555 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:24,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411904766] [2025-01-10 01:49:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411904766] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697819983] [2025-01-10 01:49:24,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:24,558 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:24,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 01:49:24,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:49:24,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:49:24,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:24,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:24,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:24,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 01:49:24,761 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:24,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697819983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:24,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:24,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 01:49:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940514661] [2025-01-10 01:49:24,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:24,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:24,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:24,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:24,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:24,763 INFO L87 Difference]: Start difference. First operand 325 states and 463 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:24,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:24,997 INFO L93 Difference]: Finished difference Result 368 states and 512 transitions. [2025-01-10 01:49:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:24,997 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2025-01-10 01:49:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:25,000 INFO L225 Difference]: With dead ends: 368 [2025-01-10 01:49:25,001 INFO L226 Difference]: Without dead ends: 367 [2025-01-10 01:49:25,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:25,002 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 53 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:25,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 110 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:25,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-01-10 01:49:25,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2025-01-10 01:49:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 269 states have (on average 1.4052044609665428) internal successors, (378), 285 states have internal predecessors, (378), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 01:49:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 472 transitions. [2025-01-10 01:49:25,049 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 472 transitions. Word has length 69 [2025-01-10 01:49:25,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:25,050 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 472 transitions. [2025-01-10 01:49:25,051 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), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 472 transitions. [2025-01-10 01:49:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 01:49:25,053 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:25,055 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:25,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:49:25,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:25,259 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:25,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash -715006123, now seen corresponding path program 1 times [2025-01-10 01:49:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:25,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483944619] [2025-01-10 01:49:25,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:25,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:25,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:49:25,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:49:25,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:25,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:25,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:25,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483944619] [2025-01-10 01:49:25,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483944619] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:25,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436478697] [2025-01-10 01:49:25,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:25,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:25,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:25,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:25,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 01:49:25,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:49:25,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:49:25,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:25,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:25,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:25,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 01:49:25,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:25,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436478697] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:25,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-10 01:49:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619649888] [2025-01-10 01:49:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:25,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:25,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:25,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:25,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:25,628 INFO L87 Difference]: Start difference. First operand 334 states and 472 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:25,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:25,775 INFO L93 Difference]: Finished difference Result 342 states and 479 transitions. [2025-01-10 01:49:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:25,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2025-01-10 01:49:25,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:25,778 INFO L225 Difference]: With dead ends: 342 [2025-01-10 01:49:25,778 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 01:49:25,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:25,780 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 30 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:25,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 73 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 01:49:25,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 337. [2025-01-10 01:49:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 272 states have (on average 1.3933823529411764) internal successors, (379), 288 states have internal predecessors, (379), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-01-10 01:49:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 473 transitions. [2025-01-10 01:49:25,828 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 473 transitions. Word has length 70 [2025-01-10 01:49:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:25,828 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 473 transitions. [2025-01-10 01:49:25,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 473 transitions. [2025-01-10 01:49:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 01:49:25,829 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:25,829 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:25,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:26,033 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,SelfDestructingSolverStorable16 [2025-01-10 01:49:26,033 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:26,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:26,034 INFO L85 PathProgramCache]: Analyzing trace with hash -690353264, now seen corresponding path program 1 times [2025-01-10 01:49:26,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:26,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732669198] [2025-01-10 01:49:26,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:26,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:26,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:49:26,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:49:26,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:26,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:26,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811563604] [2025-01-10 01:49:26,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:26,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:26,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:26,068 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:26,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 01:49:26,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:49:26,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:49:26,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:26,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:26,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:49:26,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:26,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:26,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:26,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732669198] [2025-01-10 01:49:26,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:26,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811563604] [2025-01-10 01:49:26,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811563604] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:26,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:26,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:49:26,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138091411] [2025-01-10 01:49:26,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:26,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:49:26,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:26,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:49:26,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:49:26,990 INFO L87 Difference]: Start difference. First operand 337 states and 473 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:27,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:27,394 INFO L93 Difference]: Finished difference Result 410 states and 571 transitions. [2025-01-10 01:49:27,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:49:27,394 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 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 71 [2025-01-10 01:49:27,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:27,397 INFO L225 Difference]: With dead ends: 410 [2025-01-10 01:49:27,397 INFO L226 Difference]: Without dead ends: 409 [2025-01-10 01:49:27,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:49:27,398 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 61 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:27,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 173 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:49:27,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-01-10 01:49:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 383. [2025-01-10 01:49:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 312 states have (on average 1.3717948717948718) internal successors, (428), 328 states have internal predecessors, (428), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-01-10 01:49:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 534 transitions. [2025-01-10 01:49:27,435 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 534 transitions. Word has length 71 [2025-01-10 01:49:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:27,435 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 534 transitions. [2025-01-10 01:49:27,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 534 transitions. [2025-01-10 01:49:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 01:49:27,436 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:27,436 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:27,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:49:27,637 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,SelfDestructingSolverStorable17 [2025-01-10 01:49:27,637 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:27,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:27,638 INFO L85 PathProgramCache]: Analyzing trace with hash 73885367, now seen corresponding path program 1 times [2025-01-10 01:49:27,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:27,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788305579] [2025-01-10 01:49:27,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:27,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:27,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:49:27,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:49:27,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:27,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:27,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90232280] [2025-01-10 01:49:27,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:27,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:27,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 01:49:27,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:49:27,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:49:27,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:27,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:27,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:49:27,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:28,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:28,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:28,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788305579] [2025-01-10 01:49:28,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:28,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90232280] [2025-01-10 01:49:28,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90232280] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:28,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:28,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:49:28,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973688782] [2025-01-10 01:49:28,561 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:28,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:49:28,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:28,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:49:28,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:49:28,562 INFO L87 Difference]: Start difference. First operand 383 states and 534 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:28,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:28,920 INFO L93 Difference]: Finished difference Result 429 states and 600 transitions. [2025-01-10 01:49:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:49:28,921 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-01-10 01:49:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:28,923 INFO L225 Difference]: With dead ends: 429 [2025-01-10 01:49:28,923 INFO L226 Difference]: Without dead ends: 428 [2025-01-10 01:49:28,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:49:28,924 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 46 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:28,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 153 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:49:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-01-10 01:49:28,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 415. [2025-01-10 01:49:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 340 states have (on average 1.3588235294117648) internal successors, (462), 356 states have internal predecessors, (462), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-10 01:49:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 576 transitions. [2025-01-10 01:49:28,958 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 576 transitions. Word has length 72 [2025-01-10 01:49:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:28,959 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 576 transitions. [2025-01-10 01:49:28,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-01-10 01:49:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 576 transitions. [2025-01-10 01:49:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 01:49:28,959 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:28,959 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:28,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:49:29,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:29,164 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:29,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2004520846, now seen corresponding path program 1 times [2025-01-10 01:49:29,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:29,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447289070] [2025-01-10 01:49:29,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:29,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:29,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:49:29,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:49:29,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:29,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 01:49:29,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:29,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447289070] [2025-01-10 01:49:29,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447289070] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:29,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:29,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:49:29,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936330946] [2025-01-10 01:49:29,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:29,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:29,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:29,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:29,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:29,267 INFO L87 Difference]: Start difference. First operand 415 states and 576 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:29,460 INFO L93 Difference]: Finished difference Result 415 states and 576 transitions. [2025-01-10 01:49:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:29,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2025-01-10 01:49:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:29,463 INFO L225 Difference]: With dead ends: 415 [2025-01-10 01:49:29,463 INFO L226 Difference]: Without dead ends: 414 [2025-01-10 01:49:29,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:29,463 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 68 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:29,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 76 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:29,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-01-10 01:49:29,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2025-01-10 01:49:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 340 states have (on average 1.3352941176470587) internal successors, (454), 355 states have internal predecessors, (454), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-10 01:49:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 568 transitions. [2025-01-10 01:49:29,500 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 568 transitions. Word has length 73 [2025-01-10 01:49:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:29,500 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 568 transitions. [2025-01-10 01:49:29,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:49:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 568 transitions. [2025-01-10 01:49:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:49:29,501 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:29,501 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:29,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-10 01:49:29,502 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:29,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:29,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2010604007, now seen corresponding path program 1 times [2025-01-10 01:49:29,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:29,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157295604] [2025-01-10 01:49:29,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:29,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:29,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:49:29,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:49:29,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:29,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:29,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093083755] [2025-01-10 01:49:29,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:29,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:29,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:29,526 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:29,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 01:49:29,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:49:29,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:49:29,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:29,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:29,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:49:29,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:30,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:49:32,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:32,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157295604] [2025-01-10 01:49:32,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:32,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093083755] [2025-01-10 01:49:32,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093083755] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:32,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:32,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-01-10 01:49:32,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831765408] [2025-01-10 01:49:32,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:32,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 01:49:32,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:32,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 01:49:32,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:49:32,313 INFO L87 Difference]: Start difference. First operand 414 states and 568 transitions. Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 01:49:37,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:37,405 INFO L93 Difference]: Finished difference Result 549 states and 750 transitions. [2025-01-10 01:49:37,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 01:49:37,405 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 74 [2025-01-10 01:49:37,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:37,408 INFO L225 Difference]: With dead ends: 549 [2025-01-10 01:49:37,408 INFO L226 Difference]: Without dead ends: 431 [2025-01-10 01:49:37,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:49:37,412 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 197 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:37,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 168 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-01-10 01:49:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2025-01-10 01:49:37,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 389. [2025-01-10 01:49:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 321 states have (on average 1.3489096573208723) internal successors, (433), 336 states have internal predecessors, (433), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 01:49:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 535 transitions. [2025-01-10 01:49:37,460 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 535 transitions. Word has length 74 [2025-01-10 01:49:37,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:37,460 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 535 transitions. [2025-01-10 01:49:37,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-01-10 01:49:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2025-01-10 01:49:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 01:49:37,461 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:37,461 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:49:37,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:37,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:37,666 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:37,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash -165072109, now seen corresponding path program 3 times [2025-01-10 01:49:37,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:37,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535546371] [2025-01-10 01:49:37,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:49:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:37,672 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 9 equivalence classes. [2025-01-10 01:49:37,690 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 01:49:37,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 01:49:37,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:37,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816663080] [2025-01-10 01:49:37,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:49:37,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:37,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:37,694 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:37,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 01:49:37,724 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 9 equivalence classes. [2025-01-10 01:49:37,764 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 33 of 82 statements. [2025-01-10 01:49:37,764 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 01:49:37,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:37,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:49:37,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 26 proven. 26 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-10 01:49:37,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:38,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:38,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535546371] [2025-01-10 01:49:38,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:38,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816663080] [2025-01-10 01:49:38,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816663080] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:38,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:38,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:49:38,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088695585] [2025-01-10 01:49:38,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:38,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:49:38,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:38,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:49:38,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:49:38,078 INFO L87 Difference]: Start difference. First operand 389 states and 535 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:49:38,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:38,844 INFO L93 Difference]: Finished difference Result 401 states and 547 transitions. [2025-01-10 01:49:38,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:49:38,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 82 [2025-01-10 01:49:38,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:38,847 INFO L225 Difference]: With dead ends: 401 [2025-01-10 01:49:38,847 INFO L226 Difference]: Without dead ends: 397 [2025-01-10 01:49:38,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:49:38,849 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 87 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:38,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 147 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:49:38,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-01-10 01:49:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 384. [2025-01-10 01:49:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 319 states have (on average 1.3072100313479624) internal successors, (417), 331 states have internal predecessors, (417), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 01:49:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 519 transitions. [2025-01-10 01:49:38,898 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 519 transitions. Word has length 82 [2025-01-10 01:49:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:38,900 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 519 transitions. [2025-01-10 01:49:38,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:49:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 519 transitions. [2025-01-10 01:49:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-10 01:49:38,903 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:38,903 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:38,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:39,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-10 01:49:39,107 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:39,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1924518952, now seen corresponding path program 1 times [2025-01-10 01:49:39,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:39,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102882304] [2025-01-10 01:49:39,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:39,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 01:49:39,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 01:49:39,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:39,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:39,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007885135] [2025-01-10 01:49:39,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:39,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:39,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:39,137 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:39,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 01:49:39,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 01:49:39,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 01:49:39,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:39,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:39,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:49:39,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:49:39,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:40,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:40,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102882304] [2025-01-10 01:49:40,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:40,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007885135] [2025-01-10 01:49:40,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007885135] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:40,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:40,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:49:40,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421168049] [2025-01-10 01:49:40,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:40,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:49:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:40,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:49:40,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:49:40,024 INFO L87 Difference]: Start difference. First operand 384 states and 519 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:49:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:40,309 INFO L93 Difference]: Finished difference Result 389 states and 526 transitions. [2025-01-10 01:49:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:49:40,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 88 [2025-01-10 01:49:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:40,311 INFO L225 Difference]: With dead ends: 389 [2025-01-10 01:49:40,312 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 01:49:40,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:49:40,312 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 26 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:40,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 195 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:40,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 01:49:40,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 385. [2025-01-10 01:49:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 320 states have (on average 1.30625) internal successors, (418), 332 states have internal predecessors, (418), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 01:49:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 520 transitions. [2025-01-10 01:49:40,352 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 520 transitions. Word has length 88 [2025-01-10 01:49:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:40,353 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 520 transitions. [2025-01-10 01:49:40,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:49:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 520 transitions. [2025-01-10 01:49:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-10 01:49:40,354 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:40,354 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:40,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:40,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:40,558 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:40,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:40,558 INFO L85 PathProgramCache]: Analyzing trace with hash 469454747, now seen corresponding path program 1 times [2025-01-10 01:49:40,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:40,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737274615] [2025-01-10 01:49:40,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:40,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:40,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 01:49:40,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 01:49:40,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:40,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:40,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163589325] [2025-01-10 01:49:40,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:40,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:40,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 01:49:40,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 01:49:40,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 01:49:40,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:40,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:40,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:49:40,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-10 01:49:41,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:42,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:42,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737274615] [2025-01-10 01:49:42,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:42,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163589325] [2025-01-10 01:49:42,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163589325] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:42,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:42,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:49:42,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102506726] [2025-01-10 01:49:42,178 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:42,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:49:42,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:42,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:49:42,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:49:42,179 INFO L87 Difference]: Start difference. First operand 385 states and 520 transitions. Second operand has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:49:42,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:42,842 INFO L93 Difference]: Finished difference Result 391 states and 527 transitions. [2025-01-10 01:49:42,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:49:42,843 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 89 [2025-01-10 01:49:42,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:42,846 INFO L225 Difference]: With dead ends: 391 [2025-01-10 01:49:42,846 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 01:49:42,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:49:42,848 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 26 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:42,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 224 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:49:42,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 01:49:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2025-01-10 01:49:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 321 states have (on average 1.3052959501557633) internal successors, (419), 333 states have internal predecessors, (419), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 01:49:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 521 transitions. [2025-01-10 01:49:42,891 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 521 transitions. Word has length 89 [2025-01-10 01:49:42,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:42,892 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 521 transitions. [2025-01-10 01:49:42,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.75) internal successors, (45), 13 states have internal predecessors, (45), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:49:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 521 transitions. [2025-01-10 01:49:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-01-10 01:49:42,894 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:42,894 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:42,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:49:43,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:43,098 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:43,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1668195386, now seen corresponding path program 1 times [2025-01-10 01:49:43,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:43,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815631063] [2025-01-10 01:49:43,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:43,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-10 01:49:43,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-10 01:49:43,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:49:43,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:43,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815631063] [2025-01-10 01:49:43,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815631063] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:43,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:43,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:49:43,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271239681] [2025-01-10 01:49:43,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:43,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:43,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:43,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:43,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:43,205 INFO L87 Difference]: Start difference. First operand 386 states and 521 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:49:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:43,352 INFO L93 Difference]: Finished difference Result 386 states and 521 transitions. [2025-01-10 01:49:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:49:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2025-01-10 01:49:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:43,355 INFO L225 Difference]: With dead ends: 386 [2025-01-10 01:49:43,355 INFO L226 Difference]: Without dead ends: 385 [2025-01-10 01:49:43,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:43,356 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 40 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:43,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 104 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-01-10 01:49:43,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 382. [2025-01-10 01:49:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 318 states have (on average 1.3050314465408805) internal successors, (415), 329 states have internal predecessors, (415), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-01-10 01:49:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 517 transitions. [2025-01-10 01:49:43,400 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 517 transitions. Word has length 90 [2025-01-10 01:49:43,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:43,400 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 517 transitions. [2025-01-10 01:49:43,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:49:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 517 transitions. [2025-01-10 01:49:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-10 01:49:43,405 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:43,405 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-01-10 01:49:43,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 01:49:43,405 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:43,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:43,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1006027888, now seen corresponding path program 1 times [2025-01-10 01:49:43,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:43,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842796835] [2025-01-10 01:49:43,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:43,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:49:43,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:49:43,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:49:43,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842796835] [2025-01-10 01:49:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842796835] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301178498] [2025-01-10 01:49:43,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:43,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:43,487 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:43,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 01:49:43,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:49:43,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:49:43,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:49:43,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:43,591 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:49:43,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:49:43,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301178498] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:43,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:49:43,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 01:49:43,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925346102] [2025-01-10 01:49:43,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:43,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:49:43,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:43,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:49:43,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:49:43,720 INFO L87 Difference]: Start difference. First operand 382 states and 517 transitions. Second operand has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 01:49:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:44,019 INFO L93 Difference]: Finished difference Result 781 states and 1045 transitions. [2025-01-10 01:49:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:49:44,020 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 92 [2025-01-10 01:49:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:44,024 INFO L225 Difference]: With dead ends: 781 [2025-01-10 01:49:44,024 INFO L226 Difference]: Without dead ends: 779 [2025-01-10 01:49:44,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:49:44,025 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 220 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:44,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 314 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-01-10 01:49:44,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 435. [2025-01-10 01:49:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 357 states have (on average 1.2829131652661065) internal successors, (458), 368 states have internal predecessors, (458), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-01-10 01:49:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 588 transitions. [2025-01-10 01:49:44,080 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 588 transitions. Word has length 92 [2025-01-10 01:49:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:44,081 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 588 transitions. [2025-01-10 01:49:44,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.2) internal successors, (72), 11 states have internal predecessors, (72), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 01:49:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 588 transitions. [2025-01-10 01:49:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-10 01:49:44,083 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:44,083 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:44,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:44,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:44,284 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:44,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:44,284 INFO L85 PathProgramCache]: Analyzing trace with hash 174449533, now seen corresponding path program 1 times [2025-01-10 01:49:44,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:44,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244272572] [2025-01-10 01:49:44,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:44,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:49:44,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:49:44,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:44,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082586969] [2025-01-10 01:49:44,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:44,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:44,307 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:44,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 01:49:44,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 01:49:44,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 01:49:44,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:44,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:49:44,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:49:44,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:49:45,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:45,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244272572] [2025-01-10 01:49:45,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:45,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082586969] [2025-01-10 01:49:45,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082586969] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:45,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:45,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2025-01-10 01:49:45,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687089008] [2025-01-10 01:49:45,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:45,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:49:45,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:45,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:49:45,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:49:45,329 INFO L87 Difference]: Start difference. First operand 435 states and 588 transitions. Second operand has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2025-01-10 01:49:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:46,499 INFO L93 Difference]: Finished difference Result 485 states and 651 transitions. [2025-01-10 01:49:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 01:49:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) Word has length 91 [2025-01-10 01:49:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:46,502 INFO L225 Difference]: With dead ends: 485 [2025-01-10 01:49:46,502 INFO L226 Difference]: Without dead ends: 470 [2025-01-10 01:49:46,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=519, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:49:46,503 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 185 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:46,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 215 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:49:46,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-01-10 01:49:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 441. [2025-01-10 01:49:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 363 states have (on average 1.2920110192837466) internal successors, (469), 374 states have internal predecessors, (469), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-01-10 01:49:46,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 599 transitions. [2025-01-10 01:49:46,561 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 599 transitions. Word has length 91 [2025-01-10 01:49:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 599 transitions. [2025-01-10 01:49:46,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.125) internal successors, (82), 17 states have internal predecessors, (82), 8 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2025-01-10 01:49:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 599 transitions. [2025-01-10 01:49:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-10 01:49:46,562 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:46,562 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:46,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 01:49:46,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 01:49:46,768 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:46,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:46,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1436706515, now seen corresponding path program 2 times [2025-01-10 01:49:46,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:46,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215057485] [2025-01-10 01:49:46,769 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:46,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:46,774 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-10 01:49:46,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:49:46,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:46,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255511178] [2025-01-10 01:49:46,798 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:46,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:46,801 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:46,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 01:49:46,830 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-10 01:49:46,854 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:49:46,854 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:46,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:49:46,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:46,993 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:49:46,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:47,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:47,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215057485] [2025-01-10 01:49:47,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:47,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255511178] [2025-01-10 01:49:47,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255511178] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:47,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:47,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 01:49:47,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979365726] [2025-01-10 01:49:47,496 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:47,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:49:47,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:47,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:49:47,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:49:47,498 INFO L87 Difference]: Start difference. First operand 441 states and 599 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:49:47,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:47,786 INFO L93 Difference]: Finished difference Result 711 states and 989 transitions. [2025-01-10 01:49:47,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:49:47,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 93 [2025-01-10 01:49:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:47,789 INFO L225 Difference]: With dead ends: 711 [2025-01-10 01:49:47,789 INFO L226 Difference]: Without dead ends: 698 [2025-01-10 01:49:47,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:49:47,790 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 60 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:47,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 186 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2025-01-10 01:49:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 520. [2025-01-10 01:49:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 432 states have (on average 1.212962962962963) internal successors, (524), 441 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-01-10 01:49:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 678 transitions. [2025-01-10 01:49:47,855 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 678 transitions. Word has length 93 [2025-01-10 01:49:47,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:47,855 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 678 transitions. [2025-01-10 01:49:47,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:49:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 678 transitions. [2025-01-10 01:49:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 01:49:47,856 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:47,856 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:47,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:48,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:48,057 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:48,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:48,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1588228934, now seen corresponding path program 2 times [2025-01-10 01:49:48,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:48,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41138271] [2025-01-10 01:49:48,057 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:48,063 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 94 statements into 2 equivalence classes. [2025-01-10 01:49:48,087 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:49:48,087 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:48,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:48,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1307517756] [2025-01-10 01:49:48,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:49:48,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:48,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:48,091 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:48,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:49:48,120 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 94 statements into 2 equivalence classes. [2025-01-10 01:49:48,146 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:49:48,146 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:49:48,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:48,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:49:48,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:49:48,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:48,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41138271] [2025-01-10 01:49:48,678 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:48,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307517756] [2025-01-10 01:49:48,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307517756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:48,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:48,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:49:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114955965] [2025-01-10 01:49:48,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:48,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:49:48,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:48,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:49:48,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:49:48,680 INFO L87 Difference]: Start difference. First operand 520 states and 678 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:49:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:48,928 INFO L93 Difference]: Finished difference Result 693 states and 898 transitions. [2025-01-10 01:49:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:49:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 94 [2025-01-10 01:49:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:48,932 INFO L225 Difference]: With dead ends: 693 [2025-01-10 01:49:48,932 INFO L226 Difference]: Without dead ends: 586 [2025-01-10 01:49:48,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:49:48,933 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 73 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:48,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 228 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:48,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2025-01-10 01:49:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 571. [2025-01-10 01:49:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 475 states have (on average 1.2021052631578948) internal successors, (571), 484 states have internal predecessors, (571), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-10 01:49:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 741 transitions. [2025-01-10 01:49:49,023 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 741 transitions. Word has length 94 [2025-01-10 01:49:49,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:49,023 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 741 transitions. [2025-01-10 01:49:49,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:49:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 741 transitions. [2025-01-10 01:49:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-01-10 01:49:49,024 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:49,024 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:49,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:49,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 01:49:49,225 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:49,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:49,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2145957916, now seen corresponding path program 1 times [2025-01-10 01:49:49,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:49,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438952009] [2025-01-10 01:49:49,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:49,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 01:49:49,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:49:49,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:49,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 01:49:49,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:49,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438952009] [2025-01-10 01:49:49,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438952009] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:49,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955867835] [2025-01-10 01:49:49,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:49,458 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:49,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:49:49,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-10 01:49:49,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-10 01:49:49,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:49,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:49,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:49:49,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:49:49,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:49:49,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955867835] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:49,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:49:49,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-01-10 01:49:49,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639609142] [2025-01-10 01:49:49,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:49,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:49:49,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:49,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:49:49,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:49:49,686 INFO L87 Difference]: Start difference. First operand 571 states and 741 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-01-10 01:49:50,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:50,384 INFO L93 Difference]: Finished difference Result 927 states and 1226 transitions. [2025-01-10 01:49:50,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:49:50,384 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 94 [2025-01-10 01:49:50,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:50,388 INFO L225 Difference]: With dead ends: 927 [2025-01-10 01:49:50,388 INFO L226 Difference]: Without dead ends: 800 [2025-01-10 01:49:50,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:49:50,389 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 168 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:50,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 375 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:49:50,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2025-01-10 01:49:50,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 567. [2025-01-10 01:49:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 471 states have (on average 1.2250530785562632) internal successors, (577), 480 states have internal predecessors, (577), 85 states have call successors, (85), 1 states have call predecessors, (85), 1 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-10 01:49:50,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 747 transitions. [2025-01-10 01:49:50,472 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 747 transitions. Word has length 94 [2025-01-10 01:49:50,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:50,473 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 747 transitions. [2025-01-10 01:49:50,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-01-10 01:49:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 747 transitions. [2025-01-10 01:49:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-10 01:49:50,474 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:50,474 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:50,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:50,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:50,676 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:49:50,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:50,677 INFO L85 PathProgramCache]: Analyzing trace with hash -216531331, now seen corresponding path program 3 times [2025-01-10 01:49:50,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:50,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240473611] [2025-01-10 01:49:50,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:49:50,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:50,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 116 statements into 9 equivalence classes. [2025-01-10 01:49:50,721 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 116 of 116 statements. [2025-01-10 01:49:50,722 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 01:49:50,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:50,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656252083] [2025-01-10 01:49:50,726 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:49:50,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:50,731 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:50,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:49:50,761 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 116 statements into 9 equivalence classes. [2025-01-10 01:49:50,782 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 38 of 116 statements. [2025-01-10 01:49:50,783 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:49:50,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:50,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:49:50,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:50:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-01-10 01:50:23,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:50:23,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:50:23,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240473611] [2025-01-10 01:50:23,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:50:23,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656252083] [2025-01-10 01:50:23,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656252083] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:50:23,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:50:23,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:50:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777641240] [2025-01-10 01:50:23,579 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:50:23,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:50:23,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:50:23,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:50:23,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:50:23,580 INFO L87 Difference]: Start difference. First operand 567 states and 747 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:50:27,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:50:31,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:50:35,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:50:37,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:50:41,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []