./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.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 f5913f104892d2161c7fca45f1b4b94f25718ce08a5c1f24a1d3fced8b0f4ce5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:09:35,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:09:35,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:09:35,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:09:35,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:09:35,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:09:35,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:09:35,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:09:35,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:09:35,160 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:09:35,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:09:35,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:09:35,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:09:35,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:09:35,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:09:35,162 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:35,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:09:35,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:35,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:09:35,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:09:35,163 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 -> f5913f104892d2161c7fca45f1b4b94f25718ce08a5c1f24a1d3fced8b0f4ce5 [2025-01-10 02:09:35,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:09:35,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:09:35,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:09:35,413 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:09:35,413 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:09:35,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2025-01-10 02:09:36,609 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93103381f/445500d7d73e4f8bac46e18c7a710911/FLAG6cdbff53c [2025-01-10 02:09:36,860 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:09:36,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound10.c [2025-01-10 02:09:36,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93103381f/445500d7d73e4f8bac46e18c7a710911/FLAG6cdbff53c [2025-01-10 02:09:37,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/93103381f/445500d7d73e4f8bac46e18c7a710911 [2025-01-10 02:09:37,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:09:37,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:09:37,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:09:37,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:09:37,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:09:37,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a1e35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37, skipping insertion in model container [2025-01-10 02:09:37,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:09:37,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:09:37,309 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:09:37,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:09:37,334 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:09:37,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37 WrapperNode [2025-01-10 02:09:37,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:09:37,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:09:37,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:09:37,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:09:37,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,356 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2025-01-10 02:09:37,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:09:37,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:09:37,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:09:37,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:09:37,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,370 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:09:37,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,372 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:09:37,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:09:37,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:09:37,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:09:37,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (1/1) ... [2025-01-10 02:09:37,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:37,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:37,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:09:37,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:09:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:09:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:09:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:09:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:09:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:09:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:09:37,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:09:37,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:09:37,459 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:09:37,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:09:37,643 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2025-01-10 02:09:37,644 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:09:37,650 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:09:37,651 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:09:37,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:09:37 BoogieIcfgContainer [2025-01-10 02:09:37,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:09:37,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:09:37,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:09:37,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:09:37,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:09:37" (1/3) ... [2025-01-10 02:09:37,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ae743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:09:37, skipping insertion in model container [2025-01-10 02:09:37,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:37" (2/3) ... [2025-01-10 02:09:37,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5ae743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:09:37, skipping insertion in model container [2025-01-10 02:09:37,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:09:37" (3/3) ... [2025-01-10 02:09:37,657 INFO L128 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound10.c [2025-01-10 02:09:37,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:09:37,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo1-u_valuebound10.c that has 3 procedures, 67 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-01-10 02:09:37,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:09:37,721 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;@8cc2770, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:09:37,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-01-10 02:09:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 60 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:09:37,728 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:37,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:37,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:37,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:37,732 INFO L85 PathProgramCache]: Analyzing trace with hash -959516877, now seen corresponding path program 1 times [2025-01-10 02:09:37,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:37,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337970591] [2025-01-10 02:09:37,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:37,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:37,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:37,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:37,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:09:37,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:37,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337970591] [2025-01-10 02:09:37,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337970591] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:37,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174575232] [2025-01-10 02:09:37,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:37,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:37,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:37,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:37,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:09:37,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:37,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:37,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:37,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:37,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:09:37,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:09:37,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:37,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174575232] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:37,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:37,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:09:37,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275262749] [2025-01-10 02:09:37,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:37,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:09:37,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:37,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:09:37,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:09:37,905 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 60 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:09:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:37,919 INFO L93 Difference]: Finished difference Result 130 states and 143 transitions. [2025-01-10 02:09:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:09:37,921 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-01-10 02:09:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:37,924 INFO L225 Difference]: With dead ends: 130 [2025-01-10 02:09:37,924 INFO L226 Difference]: Without dead ends: 60 [2025-01-10 02:09:37,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:09:37,931 INFO L435 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:37,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:37,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-01-10 02:09:37,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-01-10 02:09:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 33 states have (on average 1.6666666666666667) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2025-01-10 02:09:37,963 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 15 [2025-01-10 02:09:37,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:37,963 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2025-01-10 02:09:37,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:09:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2025-01-10 02:09:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:09:37,965 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:37,965 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:37,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:09:38,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:09:38,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:38,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:38,168 INFO L85 PathProgramCache]: Analyzing trace with hash -256605257, now seen corresponding path program 1 times [2025-01-10 02:09:38,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:38,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806269737] [2025-01-10 02:09:38,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:38,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:38,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:38,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:38,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:38,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294171972] [2025-01-10 02:09:38,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:38,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:38,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:38,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:38,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:09:38,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:38,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:38,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:38,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:38,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:38,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:38,245 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 02:09:38,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:38,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:38,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806269737] [2025-01-10 02:09:38,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:38,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294171972] [2025-01-10 02:09:38,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294171972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:38,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:38,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:38,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600371848] [2025-01-10 02:09:38,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:38,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:38,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:38,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:38,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:38,255 INFO L87 Difference]: Start difference. First operand 60 states and 61 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 02:09:38,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:38,327 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2025-01-10 02:09:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:38,327 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 02:09:38,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:38,328 INFO L225 Difference]: With dead ends: 90 [2025-01-10 02:09:38,328 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:38,328 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 02:09:38,329 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 18 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:38,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 67 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:38,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.58) internal successors, (79), 71 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2025-01-10 02:09:38,335 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 15 [2025-01-10 02:09:38,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:38,336 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2025-01-10 02:09:38,336 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 02:09:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2025-01-10 02:09:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 02:09:38,336 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:38,336 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:38,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:38,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:38,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:38,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:38,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1226700037, now seen corresponding path program 1 times [2025-01-10 02:09:38,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:38,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807465178] [2025-01-10 02:09:38,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:38,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:38,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:09:38,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:09:38,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:38,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:38,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695584650] [2025-01-10 02:09:38,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:38,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:38,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:09:38,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:09:38,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:09:38,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:38,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:38,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:09:38,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:38,658 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 02:09:38,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:38,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807465178] [2025-01-10 02:09:38,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695584650] [2025-01-10 02:09:38,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695584650] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:38,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:38,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:38,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650446523] [2025-01-10 02:09:38,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:38,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:38,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:38,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:38,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:38,660 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:09:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:38,739 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2025-01-10 02:09:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-01-10 02:09:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:38,740 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:38,741 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:38,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:38,741 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 14 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:38,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 65 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:38,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:38,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.54) internal successors, (77), 71 states have internal predecessors, (77), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:38,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2025-01-10 02:09:38,746 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 19 [2025-01-10 02:09:38,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:38,746 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2025-01-10 02:09:38,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:09:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2025-01-10 02:09:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 02:09:38,746 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:38,746 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:38,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:38,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:38,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:38,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash 627004568, now seen corresponding path program 1 times [2025-01-10 02:09:38,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:38,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927379887] [2025-01-10 02:09:38,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:38,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:09:38,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:09:38,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:38,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:39,083 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 02:09:39,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:39,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927379887] [2025-01-10 02:09:39,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927379887] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:39,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:39,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:39,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646960084] [2025-01-10 02:09:39,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:39,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:39,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:39,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:39,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:39,085 INFO L87 Difference]: Start difference. First operand 78 states and 85 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, (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 02:09:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:39,151 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2025-01-10 02:09:39,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:39,152 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, (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 20 [2025-01-10 02:09:39,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:39,152 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:39,152 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:39,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 02:09:39,153 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 30 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:39,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 67 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:39,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.5) internal successors, (75), 71 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2025-01-10 02:09:39,160 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 20 [2025-01-10 02:09:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:39,161 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2025-01-10 02:09:39,161 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, (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 02:09:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2025-01-10 02:09:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:09:39,161 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:39,161 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:39,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:09:39,161 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:39,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1897170927, now seen corresponding path program 1 times [2025-01-10 02:09:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:39,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850612447] [2025-01-10 02:09:39,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:39,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:39,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:09:39,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:09:39,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:39,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:39,231 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 02:09:39,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:39,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850612447] [2025-01-10 02:09:39,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850612447] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:39,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:39,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:39,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218355007] [2025-01-10 02:09:39,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:39,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:39,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:39,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:39,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:39,232 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:39,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:39,246 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2025-01-10 02:09:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:39,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2025-01-10 02:09:39,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:39,246 INFO L225 Difference]: With dead ends: 80 [2025-01-10 02:09:39,247 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:09:39,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:39,247 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:39,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 110 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:09:39,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-01-10 02:09:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.46) internal successors, (73), 71 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2025-01-10 02:09:39,254 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 29 [2025-01-10 02:09:39,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:39,254 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2025-01-10 02:09:39,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2025-01-10 02:09:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:09:39,255 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:39,255 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:39,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:09:39,255 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:39,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash -2115165976, now seen corresponding path program 1 times [2025-01-10 02:09:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:39,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928535699] [2025-01-10 02:09:39,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:39,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:09:39,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:09:39,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:39,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:39,314 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 02:09:39,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:39,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928535699] [2025-01-10 02:09:39,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928535699] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:39,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:39,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:39,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151636184] [2025-01-10 02:09:39,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:39,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:39,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:39,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:39,315 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:09:39,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:39,518 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2025-01-10 02:09:39,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:09:39,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-01-10 02:09:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:39,519 INFO L225 Difference]: With dead ends: 78 [2025-01-10 02:09:39,519 INFO L226 Difference]: Without dead ends: 77 [2025-01-10 02:09:39,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:39,520 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:39,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 83 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:09:39,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-10 02:09:39,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-10 02:09:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.44) internal successors, (72), 70 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2025-01-10 02:09:39,526 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 31 [2025-01-10 02:09:39,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:39,527 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2025-01-10 02:09:39,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:09:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2025-01-10 02:09:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:09:39,527 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:39,527 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:39,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:09:39,528 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:39,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:39,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1145635728, now seen corresponding path program 1 times [2025-01-10 02:09:39,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:39,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639022] [2025-01-10 02:09:39,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:39,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:39,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:09:39,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:09:39,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:39,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:39,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544098872] [2025-01-10 02:09:39,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:39,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:39,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:39,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:39,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:09:39,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:09:39,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:09:39,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:39,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:39,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:09:39,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:39,665 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 02:09:39,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:39,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:39,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639022] [2025-01-10 02:09:39,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:39,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544098872] [2025-01-10 02:09:39,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544098872] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:39,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:39,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:39,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616033781] [2025-01-10 02:09:39,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:39,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:39,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:39,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:39,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:39,667 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:39,772 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2025-01-10 02:09:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:39,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-01-10 02:09:39,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:39,774 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:39,774 INFO L226 Difference]: Without dead ends: 81 [2025-01-10 02:09:39,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:39,775 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:39,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 89 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:39,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-01-10 02:09:39,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2025-01-10 02:09:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 72 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2025-01-10 02:09:39,780 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 32 [2025-01-10 02:09:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:39,781 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2025-01-10 02:09:39,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2025-01-10 02:09:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-10 02:09:39,781 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:39,781 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:39,790 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 02:09:39,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:09:39,986 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:39,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:39,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1154969110, now seen corresponding path program 1 times [2025-01-10 02:09:39,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:39,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748741800] [2025-01-10 02:09:39,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:39,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:39,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:09:40,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:09:40,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:40,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:40,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141152819] [2025-01-10 02:09:40,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:40,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:40,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:40,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:40,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:09:40,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:09:40,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:09:40,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:40,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:40,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:09:40,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:40,182 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 02:09:40,182 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:40,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:40,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748741800] [2025-01-10 02:09:40,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:40,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141152819] [2025-01-10 02:09:40,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141152819] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:40,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:40,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929580400] [2025-01-10 02:09:40,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:40,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:40,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:40,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:40,183 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:40,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:40,278 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2025-01-10 02:09:40,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:40,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2025-01-10 02:09:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:40,279 INFO L225 Difference]: With dead ends: 84 [2025-01-10 02:09:40,279 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 02:09:40,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:40,280 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:40,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 77 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:40,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 02:09:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2025-01-10 02:09:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 73 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2025-01-10 02:09:40,285 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 33 [2025-01-10 02:09:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:40,285 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2025-01-10 02:09:40,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2025-01-10 02:09:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:09:40,286 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:40,286 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:40,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:09:40,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:40,490 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:40,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:40,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1444303950, now seen corresponding path program 1 times [2025-01-10 02:09:40,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:40,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567078110] [2025-01-10 02:09:40,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:40,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:40,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:09:40,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:09:40,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:40,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:40,540 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 02:09:40,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:40,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567078110] [2025-01-10 02:09:40,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567078110] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:40,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:40,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:40,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146969799] [2025-01-10 02:09:40,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:40,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:40,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:40,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:40,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:40,541 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:40,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:40,662 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2025-01-10 02:09:40,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:40,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2025-01-10 02:09:40,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:40,663 INFO L225 Difference]: With dead ends: 80 [2025-01-10 02:09:40,663 INFO L226 Difference]: Without dead ends: 72 [2025-01-10 02:09:40,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:40,664 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:40,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 67 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-10 02:09:40,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-01-10 02:09:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2025-01-10 02:09:40,668 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 34 [2025-01-10 02:09:40,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:40,668 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2025-01-10 02:09:40,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2025-01-10 02:09:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:09:40,669 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:40,669 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:40,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:09:40,669 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:40,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:40,670 INFO L85 PathProgramCache]: Analyzing trace with hash 979957622, now seen corresponding path program 1 times [2025-01-10 02:09:40,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:40,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462572099] [2025-01-10 02:09:40,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:40,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:09:40,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:09:40,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:40,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:40,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519310345] [2025-01-10 02:09:40,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:40,683 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:40,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:09:40,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:09:40,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:09:40,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:40,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:40,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:09:40,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:40,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:40,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:41,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:41,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:41,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462572099] [2025-01-10 02:09:41,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:41,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519310345] [2025-01-10 02:09:41,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519310345] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:41,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:09:41,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-10 02:09:41,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34378028] [2025-01-10 02:09:41,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:41,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:09:41,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:41,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:09:41,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:41,029 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:09:41,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:41,237 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2025-01-10 02:09:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:09:41,237 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 36 [2025-01-10 02:09:41,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:41,238 INFO L225 Difference]: With dead ends: 97 [2025-01-10 02:09:41,238 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:09:41,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:09:41,239 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 90 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:41,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 80 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:09:41,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:09:41,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2025-01-10 02:09:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 84 states have internal predecessors, (100), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:41,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 110 transitions. [2025-01-10 02:09:41,245 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 110 transitions. Word has length 36 [2025-01-10 02:09:41,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:41,245 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 110 transitions. [2025-01-10 02:09:41,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:09:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2025-01-10 02:09:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:09:41,246 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:41,246 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:41,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:09:41,450 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,SelfDestructingSolverStorable9 [2025-01-10 02:09:41,450 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:41,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:41,450 INFO L85 PathProgramCache]: Analyzing trace with hash 313915251, now seen corresponding path program 1 times [2025-01-10 02:09:41,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:41,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481949864] [2025-01-10 02:09:41,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:41,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:41,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:09:41,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:09:41,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:41,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:41,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562758676] [2025-01-10 02:09:41,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:41,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:41,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:41,460 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:41,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:09:41,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:09:41,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:09:41,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:41,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:41,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:09:41,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:41,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:41,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:41,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481949864] [2025-01-10 02:09:41,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:41,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562758676] [2025-01-10 02:09:41,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562758676] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:41,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:41,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 02:09:41,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551389637] [2025-01-10 02:09:41,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:41,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:41,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:41,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:41,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:09:41,619 INFO L87 Difference]: Start difference. First operand 92 states and 110 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:41,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:41,704 INFO L93 Difference]: Finished difference Result 92 states and 110 transitions. [2025-01-10 02:09:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:41,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2025-01-10 02:09:41,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:41,705 INFO L225 Difference]: With dead ends: 92 [2025-01-10 02:09:41,705 INFO L226 Difference]: Without dead ends: 88 [2025-01-10 02:09:41,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:09:41,706 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:41,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:41,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-01-10 02:09:41,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-01-10 02:09:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 80 states have internal predecessors, (93), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 103 transitions. [2025-01-10 02:09:41,710 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 103 transitions. Word has length 37 [2025-01-10 02:09:41,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:41,710 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 103 transitions. [2025-01-10 02:09:41,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:09:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 103 transitions. [2025-01-10 02:09:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:09:41,710 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:41,711 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:41,718 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 02:09:41,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:41,915 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:41,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:41,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1141438232, now seen corresponding path program 1 times [2025-01-10 02:09:41,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:41,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279713237] [2025-01-10 02:09:41,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:41,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:41,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:09:41,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:09:41,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:41,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:41,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600911065] [2025-01-10 02:09:41,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:41,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:41,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:41,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:09:41,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:09:41,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:09:41,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:41,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:41,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:09:41,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:42,105 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:42,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:42,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279713237] [2025-01-10 02:09:42,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:42,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600911065] [2025-01-10 02:09:42,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600911065] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:42,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:42,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:09:42,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166416] [2025-01-10 02:09:42,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:42,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:09:42,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:42,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:09:42,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:42,234 INFO L87 Difference]: Start difference. First operand 88 states and 103 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:42,381 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2025-01-10 02:09:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:09:42,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2025-01-10 02:09:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:42,382 INFO L225 Difference]: With dead ends: 96 [2025-01-10 02:09:42,382 INFO L226 Difference]: Without dead ends: 92 [2025-01-10 02:09:42,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:42,382 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 56 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:42,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 86 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:42,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-10 02:09:42,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2025-01-10 02:09:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3529411764705883) internal successors, (92), 82 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2025-01-10 02:09:42,387 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 38 [2025-01-10 02:09:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:42,388 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2025-01-10 02:09:42,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2025-01-10 02:09:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:09:42,388 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:42,388 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:42,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:42,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,591 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:42,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:42,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1024846869, now seen corresponding path program 1 times [2025-01-10 02:09:42,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:42,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597374224] [2025-01-10 02:09:42,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:42,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:09:42,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:09:42,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:42,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321676131] [2025-01-10 02:09:42,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:42,604 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:42,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:09:42,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:09:42,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:09:42,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:42,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:09:42,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:42,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:42,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:42,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597374224] [2025-01-10 02:09:42,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:42,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321676131] [2025-01-10 02:09:42,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321676131] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:42,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:09:42,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2025-01-10 02:09:42,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328429340] [2025-01-10 02:09:42,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:42,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:09:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:42,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:09:42,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:42,870 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:09:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:43,584 INFO L93 Difference]: Finished difference Result 122 states and 146 transitions. [2025-01-10 02:09:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:09:43,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 39 [2025-01-10 02:09:43,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:43,586 INFO L225 Difference]: With dead ends: 122 [2025-01-10 02:09:43,586 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 02:09:43,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:09:43,586 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 126 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:43,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 112 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:09:43,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 02:09:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 111. [2025-01-10 02:09:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 102 states have internal predecessors, (123), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:09:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 135 transitions. [2025-01-10 02:09:43,593 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 135 transitions. Word has length 39 [2025-01-10 02:09:43,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:43,593 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 135 transitions. [2025-01-10 02:09:43,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:09:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2025-01-10 02:09:43,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:09:43,594 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:43,594 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:43,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:43,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:43,798 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:43,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:43,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1330331831, now seen corresponding path program 1 times [2025-01-10 02:09:43,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:43,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892701565] [2025-01-10 02:09:43,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:43,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:09:43,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:09:43,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:43,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85445224] [2025-01-10 02:09:43,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:43,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:43,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:43,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:43,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:09:43,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:09:43,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:09:43,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:43,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:09:43,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:43,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:44,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:44,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892701565] [2025-01-10 02:09:44,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:44,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85445224] [2025-01-10 02:09:44,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85445224] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:44,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:09:44,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:09:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900597243] [2025-01-10 02:09:44,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:44,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:09:44,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:44,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:09:44,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:09:44,057 INFO L87 Difference]: Start difference. First operand 111 states and 135 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:45,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:09:49,175 WARN L539 Checker$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 02:09:53,179 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 02:09:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:53,823 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2025-01-10 02:09:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:09:53,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-01-10 02:09:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:53,825 INFO L225 Difference]: With dead ends: 116 [2025-01-10 02:09:53,825 INFO L226 Difference]: Without dead ends: 112 [2025-01-10 02:09:53,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:53,825 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:53,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 114 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 186 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2025-01-10 02:09:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-10 02:09:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2025-01-10 02:09:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 101 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:09:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2025-01-10 02:09:53,831 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 41 [2025-01-10 02:09:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:53,831 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2025-01-10 02:09:53,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2025-01-10 02:09:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:09:53,831 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:53,832 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:09:53,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:09:54,036 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,SelfDestructingSolverStorable13 [2025-01-10 02:09:54,036 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:54,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:54,037 INFO L85 PathProgramCache]: Analyzing trace with hash 688501453, now seen corresponding path program 1 times [2025-01-10 02:09:54,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:54,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258924146] [2025-01-10 02:09:54,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:54,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:09:54,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:09:54,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:54,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:54,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258924146] [2025-01-10 02:09:54,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258924146] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:54,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253056014] [2025-01-10 02:09:54,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:54,117 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:54,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:09:54,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:09:54,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:09:54,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:54,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:54,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:54,189 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:54,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253056014] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:54,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:54,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:09:54,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418729495] [2025-01-10 02:09:54,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:54,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:54,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:54,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:54,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:54,190 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:54,207 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2025-01-10 02:09:54,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:54,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2025-01-10 02:09:54,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:54,208 INFO L225 Difference]: With dead ends: 110 [2025-01-10 02:09:54,208 INFO L226 Difference]: Without dead ends: 109 [2025-01-10 02:09:54,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:54,209 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 19 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:54,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 85 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:54,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-01-10 02:09:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2025-01-10 02:09:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 100 states have internal predecessors, (113), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:09:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2025-01-10 02:09:54,215 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 51 [2025-01-10 02:09:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:54,215 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2025-01-10 02:09:54,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2025-01-10 02:09:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:09:54,216 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:54,216 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:09:54,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:54,416 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,SelfDestructingSolverStorable14 [2025-01-10 02:09:54,417 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:54,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:54,417 INFO L85 PathProgramCache]: Analyzing trace with hash -131291372, now seen corresponding path program 1 times [2025-01-10 02:09:54,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:54,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366257715] [2025-01-10 02:09:54,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:54,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:09:54,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:09:54,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:54,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:54,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366257715] [2025-01-10 02:09:54,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366257715] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:54,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657806218] [2025-01-10 02:09:54,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:54,491 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:54,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:09:54,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:09:54,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:09:54,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:54,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:54,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:54,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:54,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657806218] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:54,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:09:54,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:09:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753481681] [2025-01-10 02:09:54,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:54,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:09:54,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:54,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:09:54,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:09:54,595 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 02:09:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:54,627 INFO L93 Difference]: Finished difference Result 113 states and 125 transitions. [2025-01-10 02:09:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:09:54,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 52 [2025-01-10 02:09:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:54,628 INFO L225 Difference]: With dead ends: 113 [2025-01-10 02:09:54,628 INFO L226 Difference]: Without dead ends: 112 [2025-01-10 02:09:54,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:09:54,629 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 23 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:54,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 146 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:54,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-10 02:09:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2025-01-10 02:09:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.25) internal successors, (110), 99 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:09:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2025-01-10 02:09:54,636 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 52 [2025-01-10 02:09:54,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:54,636 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2025-01-10 02:09:54,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 02:09:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2025-01-10 02:09:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:09:54,639 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:54,639 INFO L218 NwaCegarLoop]: trace histogram [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 02:09:54,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:09:54,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:54,840 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:54,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:54,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1618216908, now seen corresponding path program 1 times [2025-01-10 02:09:54,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:54,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356174283] [2025-01-10 02:09:54,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:54,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:09:54,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:09:54,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:54,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [93084144] [2025-01-10 02:09:54,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:54,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:54,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:54,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:09:54,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:09:54,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:09:54,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:54,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:54,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:09:54,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:09:55,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:03,289 WARN L873 $PredicateComparison]: unable to prove that (< (let ((.cse0 (mod (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296))) (+ .cse0 (* |c_ULTIMATE.start_main_~x~0#1| (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296) .cse0))) 9223372036854775807) is different from true [2025-01-10 02:10:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2025-01-10 02:10:27,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:27,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356174283] [2025-01-10 02:10:27,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:27,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93084144] [2025-01-10 02:10:27,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93084144] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:10:27,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:10:27,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-10 02:10:27,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005305428] [2025-01-10 02:10:27,938 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:10:27,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:10:27,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:27,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:10:27,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2025-01-10 02:10:27,939 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:10:30,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:10:31,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:10:32,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:32,415 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2025-01-10 02:10:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:10:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 54 [2025-01-10 02:10:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:32,417 INFO L225 Difference]: With dead ends: 117 [2025-01-10 02:10:32,417 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 02:10:32,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=43, Invalid=116, Unknown=1, NotChecked=22, Total=182 [2025-01-10 02:10:32,417 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 110 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 106 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:32,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 131 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 296 Invalid, 2 Unknown, 106 Unchecked, 4.4s Time] [2025-01-10 02:10:32,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 02:10:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 110. [2025-01-10 02:10:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 90 states have (on average 1.2444444444444445) internal successors, (112), 101 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2025-01-10 02:10:32,425 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 124 transitions. Word has length 54 [2025-01-10 02:10:32,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:32,425 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 124 transitions. [2025-01-10 02:10:32,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:10:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 124 transitions. [2025-01-10 02:10:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:10:32,425 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:32,425 INFO L218 NwaCegarLoop]: trace histogram [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 02:10:32,432 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 02:10:32,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:10:32,626 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:32,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:32,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1374883494, now seen corresponding path program 1 times [2025-01-10 02:10:32,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:32,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884908675] [2025-01-10 02:10:32,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:32,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:32,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:10:32,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:10:32,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:32,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:32,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418480485] [2025-01-10 02:10:32,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:32,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:32,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:32,664 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:32,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:10:32,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:10:32,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:10:32,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:32,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:32,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:10:32,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:10:37,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:45,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:45,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884908675] [2025-01-10 02:10:45,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:45,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418480485] [2025-01-10 02:10:45,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418480485] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:45,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:45,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:10:45,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852871845] [2025-01-10 02:10:45,247 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:10:45,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:10:45,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:45,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:10:45,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=57, Unknown=1, NotChecked=0, Total=90 [2025-01-10 02:10:45,248 INFO L87 Difference]: Start difference. First operand 110 states and 124 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:49,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:10:49,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:49,823 INFO L93 Difference]: Finished difference Result 110 states and 124 transitions. [2025-01-10 02:10:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:10:49,824 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-01-10 02:10:49,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:49,824 INFO L225 Difference]: With dead ends: 110 [2025-01-10 02:10:49,825 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:10:49,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=32, Invalid=57, Unknown=1, NotChecked=0, Total=90 [2025-01-10 02:10:49,825 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:49,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 77 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-01-10 02:10:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:10:49,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:10:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 85 states have (on average 1.223529411764706) internal successors, (104), 95 states have internal predecessors, (104), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2025-01-10 02:10:49,831 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 55 [2025-01-10 02:10:49,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:49,831 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2025-01-10 02:10:49,831 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2025-01-10 02:10:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 02:10:49,832 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:49,832 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:49,838 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 02:10:50,036 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,SelfDestructingSolverStorable17 [2025-01-10 02:10:50,036 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:50,037 INFO L85 PathProgramCache]: Analyzing trace with hash 893063132, now seen corresponding path program 2 times [2025-01-10 02:10:50,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:50,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123232344] [2025-01-10 02:10:50,037 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:10:50,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:50,041 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-10 02:10:50,051 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 02:10:50,053 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:10:50,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:50,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141846303] [2025-01-10 02:10:50,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:10:50,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:50,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:50,059 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:50,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:10:50,081 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 2 equivalence classes. [2025-01-10 02:10:50,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 02:10:50,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:10:50,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:50,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:10:50,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:10:50,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:50,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:50,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123232344] [2025-01-10 02:10:50,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:50,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141846303] [2025-01-10 02:10:50,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141846303] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:50,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:50,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:10:50,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307597081] [2025-01-10 02:10:50,687 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:10:50,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:10:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:50,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:10:50,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:10:50,691 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:10:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:51,211 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2025-01-10 02:10:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:10:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 60 [2025-01-10 02:10:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:51,213 INFO L225 Difference]: With dead ends: 109 [2025-01-10 02:10:51,213 INFO L226 Difference]: Without dead ends: 106 [2025-01-10 02:10:51,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:10:51,213 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 50 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:51,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 104 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:10:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-01-10 02:10:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2025-01-10 02:10:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 85 states have (on average 1.188235294117647) internal successors, (101), 95 states have internal predecessors, (101), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:51,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 113 transitions. [2025-01-10 02:10:51,220 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 113 transitions. Word has length 60 [2025-01-10 02:10:51,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:51,220 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 113 transitions. [2025-01-10 02:10:51,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:10:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 113 transitions. [2025-01-10 02:10:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 02:10:51,221 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:51,221 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:51,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:10:51,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:51,425 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:51,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash -759787906, now seen corresponding path program 1 times [2025-01-10 02:10:51,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:51,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407832274] [2025-01-10 02:10:51,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:51,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:51,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 02:10:51,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 02:10:51,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:51,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:51,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090017548] [2025-01-10 02:10:51,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:51,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:51,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:51,444 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:51,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:10:51,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 02:10:51,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 02:10:51,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:51,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:51,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:10:51,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:10:51,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:52,100 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:10:52,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407832274] [2025-01-10 02:10:52,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:52,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090017548] [2025-01-10 02:10:52,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090017548] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:52,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:52,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2025-01-10 02:10:52,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608554915] [2025-01-10 02:10:52,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:10:52,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:10:52,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:52,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:10:52,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:10:52,102 INFO L87 Difference]: Start difference. First operand 104 states and 113 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:10:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:52,212 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2025-01-10 02:10:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:10:52,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 62 [2025-01-10 02:10:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:52,213 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:10:52,213 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 02:10:52,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:10:52,214 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:52,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 48 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:10:52,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 02:10:52,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-01-10 02:10:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 85 states have (on average 1.1647058823529413) internal successors, (99), 94 states have internal predecessors, (99), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:52,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions. [2025-01-10 02:10:52,219 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 62 [2025-01-10 02:10:52,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:52,219 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions. [2025-01-10 02:10:52,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:10:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2025-01-10 02:10:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 02:10:52,221 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:52,221 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:52,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:10:52,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:52,422 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:52,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:52,422 INFO L85 PathProgramCache]: Analyzing trace with hash -11735776, now seen corresponding path program 1 times [2025-01-10 02:10:52,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:52,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096346130] [2025-01-10 02:10:52,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:52,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:10:52,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:10:52,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:52,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:52,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318623105] [2025-01-10 02:10:52,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:52,438 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:52,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:10:52,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:10:52,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:10:52,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:52,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:52,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:10:52,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:10:52,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-10 02:10:53,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096346130] [2025-01-10 02:10:53,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:53,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318623105] [2025-01-10 02:10:53,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318623105] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:53,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:53,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2025-01-10 02:10:53,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046464222] [2025-01-10 02:10:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:10:53,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:10:53,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:53,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:10:53,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:10:53,197 INFO L87 Difference]: Start difference. First operand 103 states and 111 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:10:56,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:10:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:56,401 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2025-01-10 02:10:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:10:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 64 [2025-01-10 02:10:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:56,406 INFO L225 Difference]: With dead ends: 103 [2025-01-10 02:10:56,406 INFO L226 Difference]: Without dead ends: 102 [2025-01-10 02:10:56,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:10:56,407 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:56,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 77 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-10 02:10:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-10 02:10:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2025-01-10 02:10:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 85 states have (on average 1.1411764705882352) internal successors, (97), 93 states have internal predecessors, (97), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2025-01-10 02:10:56,418 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 64 [2025-01-10 02:10:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:56,418 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2025-01-10 02:10:56,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:10:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2025-01-10 02:10:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 02:10:56,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:56,418 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:56,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:10:56,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:56,619 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:56,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:56,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1606822850, now seen corresponding path program 1 times [2025-01-10 02:10:56,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:56,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38194430] [2025-01-10 02:10:56,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:56,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:56,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:10:56,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:10:56,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:56,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:56,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1256119229] [2025-01-10 02:10:56,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:56,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:56,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:56,647 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:56,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:10:56,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:10:56,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:10:56,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:56,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:56,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 02:10:56,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:10:56,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-10 02:10:57,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:57,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38194430] [2025-01-10 02:10:57,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:57,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256119229] [2025-01-10 02:10:57,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256119229] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:57,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:57,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2025-01-10 02:10:57,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925125182] [2025-01-10 02:10:57,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:10:57,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:10:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:57,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:10:57,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:10:57,196 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:00,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:11:01,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:01,146 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2025-01-10 02:11:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:11:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 66 [2025-01-10 02:11:01,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:01,147 INFO L225 Difference]: With dead ends: 102 [2025-01-10 02:11:01,147 INFO L226 Difference]: Without dead ends: 101 [2025-01-10 02:11:01,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:11:01,148 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 61 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:01,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 94 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-01-10 02:11:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-01-10 02:11:01,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2025-01-10 02:11:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 85 states have (on average 1.1176470588235294) internal successors, (95), 92 states have internal predecessors, (95), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 107 transitions. [2025-01-10 02:11:01,153 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 107 transitions. Word has length 66 [2025-01-10 02:11:01,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:01,154 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 107 transitions. [2025-01-10 02:11:01,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2025-01-10 02:11:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 02:11:01,154 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:01,154 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:01,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:11:01,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:01,355 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:01,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:01,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1348763646, now seen corresponding path program 1 times [2025-01-10 02:11:01,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23390531] [2025-01-10 02:11:01,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:01,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:01,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:11:01,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:11:01,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:01,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:01,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [480778087] [2025-01-10 02:11:01,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:01,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:01,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:01,370 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:01,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:11:01,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:11:01,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:11:01,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:01,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:01,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:11:01,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 02:11:01,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 02:11:02,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:02,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23390531] [2025-01-10 02:11:02,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:02,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480778087] [2025-01-10 02:11:02,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480778087] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:11:02,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:11:02,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-01-10 02:11:02,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623898918] [2025-01-10 02:11:02,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:02,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:11:02,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:02,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:11:02,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:11:02,533 INFO L87 Difference]: Start difference. First operand 101 states and 107 transitions. Second operand has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 9 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 02:11:04,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:04,918 INFO L93 Difference]: Finished difference Result 159 states and 189 transitions. [2025-01-10 02:11:04,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 02:11:04,919 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 9 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 80 [2025-01-10 02:11:04,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:04,920 INFO L225 Difference]: With dead ends: 159 [2025-01-10 02:11:04,920 INFO L226 Difference]: Without dead ends: 158 [2025-01-10 02:11:04,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:11:04,921 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 214 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:04,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 188 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-01-10 02:11:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-01-10 02:11:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2025-01-10 02:11:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 133 states have (on average 1.1879699248120301) internal successors, (158), 140 states have internal predecessors, (158), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:11:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2025-01-10 02:11:04,930 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 80 [2025-01-10 02:11:04,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:04,930 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2025-01-10 02:11:04,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 9 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 02:11:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2025-01-10 02:11:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:11:04,931 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:04,931 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:04,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:05,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:05,132 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:05,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash -918258272, now seen corresponding path program 3 times [2025-01-10 02:11:05,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:05,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005549796] [2025-01-10 02:11:05,133 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:11:05,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:05,138 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-01-10 02:11:05,152 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:11:05,153 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 02:11:05,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:05,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [296680247] [2025-01-10 02:11:05,154 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:11:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:05,158 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:05,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 02:11:05,183 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 4 equivalence classes. [2025-01-10 02:11:05,290 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:11:05,290 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 02:11:05,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:05,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:11:05,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 02:11:05,676 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:05,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005549796] [2025-01-10 02:11:05,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296680247] [2025-01-10 02:11:05,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296680247] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:05,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:05,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:11:05,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414700846] [2025-01-10 02:11:05,827 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:05,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:11:05,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:05,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:11:05,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:05,828 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:06,222 INFO L93 Difference]: Finished difference Result 158 states and 179 transitions. [2025-01-10 02:11:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:11:06,222 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 82 [2025-01-10 02:11:06,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:06,223 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:11:06,223 INFO L226 Difference]: Without dead ends: 154 [2025-01-10 02:11:06,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:06,223 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 35 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:06,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 174 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:11:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-01-10 02:11:06,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2025-01-10 02:11:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.162962962962963) internal successors, (157), 142 states have internal predecessors, (157), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:11:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 175 transitions. [2025-01-10 02:11:06,231 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 175 transitions. Word has length 82 [2025-01-10 02:11:06,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:06,231 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 175 transitions. [2025-01-10 02:11:06,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2025-01-10 02:11:06,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 02:11:06,234 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:06,234 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:06,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:11:06,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:06,438 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:06,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:06,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1185428177, now seen corresponding path program 2 times [2025-01-10 02:11:06,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:06,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752143288] [2025-01-10 02:11:06,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:06,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:06,442 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes. [2025-01-10 02:11:06,449 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:11:06,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:06,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:06,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337044139] [2025-01-10 02:11:06,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:06,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:06,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:06,452 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:06,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 02:11:06,475 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 85 statements into 2 equivalence classes. [2025-01-10 02:11:06,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:11:06,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:06,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:06,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:11:06,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:11:06,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:11:06,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752143288] [2025-01-10 02:11:06,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337044139] [2025-01-10 02:11:06,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337044139] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:06,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:06,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2025-01-10 02:11:06,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806912647] [2025-01-10 02:11:06,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:06,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:06,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:06,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:06,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:11:06,847 INFO L87 Difference]: Start difference. First operand 154 states and 175 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:07,348 INFO L93 Difference]: Finished difference Result 154 states and 175 transitions. [2025-01-10 02:11:07,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 85 [2025-01-10 02:11:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:07,351 INFO L225 Difference]: With dead ends: 154 [2025-01-10 02:11:07,351 INFO L226 Difference]: Without dead ends: 153 [2025-01-10 02:11:07,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:11:07,352 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:07,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 94 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:11:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-01-10 02:11:07,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2025-01-10 02:11:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 135 states have (on average 1.1333333333333333) internal successors, (153), 141 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:11:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 171 transitions. [2025-01-10 02:11:07,365 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 171 transitions. Word has length 85 [2025-01-10 02:11:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:07,365 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 171 transitions. [2025-01-10 02:11:07,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 171 transitions. [2025-01-10 02:11:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 02:11:07,367 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:07,367 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:07,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-10 02:11:07,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 02:11:07,571 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:07,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:07,571 INFO L85 PathProgramCache]: Analyzing trace with hash 322531004, now seen corresponding path program 2 times [2025-01-10 02:11:07,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:07,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983010676] [2025-01-10 02:11:07,572 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:07,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-01-10 02:11:07,608 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 02:11:07,609 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:07,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:07,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022822035] [2025-01-10 02:11:07,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:07,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:07,615 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:07,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 02:11:07,641 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 98 statements into 2 equivalence classes. [2025-01-10 02:11:07,677 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 26 of 98 statements. [2025-01-10 02:11:07,677 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:11:07,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:07,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:11:07,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:11:07,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:11:07,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983010676] [2025-01-10 02:11:07,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:07,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022822035] [2025-01-10 02:11:07,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022822035] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:07,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:11:07,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:11:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237606070] [2025-01-10 02:11:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:07,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:11:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:07,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:11:07,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:11:07,792 INFO L87 Difference]: Start difference. First operand 153 states and 171 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:11:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:07,939 INFO L93 Difference]: Finished difference Result 153 states and 171 transitions. [2025-01-10 02:11:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:11:07,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 98 [2025-01-10 02:11:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:07,942 INFO L225 Difference]: With dead ends: 153 [2025-01-10 02:11:07,942 INFO L226 Difference]: Without dead ends: 147 [2025-01-10 02:11:07,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:11:07,942 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:07,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 57 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:11:07,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-01-10 02:11:07,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-01-10 02:11:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 131 states have (on average 1.099236641221374) internal successors, (144), 135 states have internal predecessors, (144), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:11:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 162 transitions. [2025-01-10 02:11:07,958 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 162 transitions. Word has length 98 [2025-01-10 02:11:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:07,958 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 162 transitions. [2025-01-10 02:11:07,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:11:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2025-01-10 02:11:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 02:11:07,959 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:07,959 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:07,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 02:11:08,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 02:11:08,160 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:08,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1396211612, now seen corresponding path program 4 times [2025-01-10 02:11:08,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:08,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568637389] [2025-01-10 02:11:08,161 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:11:08,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:08,166 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 104 statements into 2 equivalence classes. [2025-01-10 02:11:08,176 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:11:08,177 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:11:08,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:08,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638692322] [2025-01-10 02:11:08,178 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:11:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:08,180 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:08,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 02:11:08,213 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 104 statements into 2 equivalence classes. [2025-01-10 02:11:08,266 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:11:08,266 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:11:08,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:08,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-10 02:11:08,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 9 proven. 119 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:09,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:11,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:11,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568637389] [2025-01-10 02:11:11,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638692322] [2025-01-10 02:11:11,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638692322] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:11,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:11,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-01-10 02:11:11,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329911602] [2025-01-10 02:11:11,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:11,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:11:11,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:11,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:11:11,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=541, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:11:11,579 INFO L87 Difference]: Start difference. First operand 147 states and 162 transitions. Second operand has 18 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:12,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:12,752 INFO L93 Difference]: Finished difference Result 155 states and 166 transitions. [2025-01-10 02:11:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:11:12,752 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 104 [2025-01-10 02:11:12,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:12,753 INFO L225 Difference]: With dead ends: 155 [2025-01-10 02:11:12,753 INFO L226 Difference]: Without dead ends: 149 [2025-01-10 02:11:12,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2025-01-10 02:11:12,754 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:12,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 324 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:11:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-01-10 02:11:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2025-01-10 02:11:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 131 states have (on average 1.0687022900763359) internal successors, (140), 135 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:11:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 158 transitions. [2025-01-10 02:11:12,771 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 158 transitions. Word has length 104 [2025-01-10 02:11:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:12,771 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 158 transitions. [2025-01-10 02:11:12,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 18 states have internal predecessors, (86), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2025-01-10 02:11:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-01-10 02:11:12,772 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:12,772 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:12,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:12,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 02:11:12,972 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:11:12,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:12,973 INFO L85 PathProgramCache]: Analyzing trace with hash -315205592, now seen corresponding path program 5 times [2025-01-10 02:11:12,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:12,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265414947] [2025-01-10 02:11:12,973 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:11:12,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:12,984 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 126 statements into 6 equivalence classes. [2025-01-10 02:11:13,009 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:11:13,010 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-10 02:11:13,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:13,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451432946] [2025-01-10 02:11:13,011 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:11:13,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:13,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:13,013 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:13,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 02:11:13,034 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 126 statements into 6 equivalence classes. [2025-01-10 02:11:13,058 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 126 of 126 statements. [2025-01-10 02:11:13,059 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-10 02:11:13,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:13,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:11:13,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 02:11:17,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:17,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:17,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265414947] [2025-01-10 02:11:17,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:17,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451432946] [2025-01-10 02:11:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451432946] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:17,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:17,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:11:17,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539716613] [2025-01-10 02:11:17,187 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:17,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:11:17,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:17,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:11:17,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:17,188 INFO L87 Difference]: Start difference. First operand 147 states and 158 transitions. Second operand has 11 states, 10 states have (on average 10.0) internal successors, (100), 11 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)