./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.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 0bb6780cd72c063a3ddf598e6503fa6a629155476e6b8e08224a0e59d0bc00b9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:12:05,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:12:05,187 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:12:05,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:12:05,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:12:05,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:12:05,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:12:05,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:12:05,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:12:05,205 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:12:05,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:12:05,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:12:05,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:12:05,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:12:05,205 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:12:05,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:12:05,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:12:05,206 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:12:05,207 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:05,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:05,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:12:05,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:12:05,208 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 -> 0bb6780cd72c063a3ddf598e6503fa6a629155476e6b8e08224a0e59d0bc00b9 [2025-01-10 02:12:05,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:12:05,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:12:05,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:12:05,462 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:12:05,462 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:12:05,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2025-01-10 02:12:06,569 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6a0504af/afc7e8cdf57142f8ad7480235f5317a7/FLAG623a2860b [2025-01-10 02:12:06,822 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:12:06,822 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2025-01-10 02:12:06,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6a0504af/afc7e8cdf57142f8ad7480235f5317a7/FLAG623a2860b [2025-01-10 02:12:07,144 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6a0504af/afc7e8cdf57142f8ad7480235f5317a7 [2025-01-10 02:12:07,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:12:07,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:12:07,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:07,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:12:07,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:12:07,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2d7d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07, skipping insertion in model container [2025-01-10 02:12:07,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:12:07,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:07,275 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:12:07,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:12:07,301 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:12:07,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07 WrapperNode [2025-01-10 02:12:07,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:12:07,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:07,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:12:07,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:12:07,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,330 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-01-10 02:12:07,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:12:07,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:12:07,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:12:07,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:12:07,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,353 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:12:07,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:12:07,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:12:07,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:12:07,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:12:07,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (1/1) ... [2025-01-10 02:12:07,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:12:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:07,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:12:07,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:12:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:12:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:12:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:12:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:12:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:12:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:12:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:12:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:12:07,465 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:12:07,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:12:07,690 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-01-10 02:12:07,690 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:12:07,697 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:12:07,697 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 02:12:07,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:07 BoogieIcfgContainer [2025-01-10 02:12:07,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:12:07,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:12:07,699 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:12:07,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:12:07,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:12:07" (1/3) ... [2025-01-10 02:12:07,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f64d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:07, skipping insertion in model container [2025-01-10 02:12:07,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:12:07" (2/3) ... [2025-01-10 02:12:07,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f64d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:12:07, skipping insertion in model container [2025-01-10 02:12:07,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:07" (3/3) ... [2025-01-10 02:12:07,704 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound1.c [2025-01-10 02:12:07,713 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:12:07,714 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_valuebound1.c that has 3 procedures, 79 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-01-10 02:12:07,744 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:12:07,752 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;@20ce7e73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:12:07,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-01-10 02:12:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:12:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:12:07,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:07,759 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:07,760 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:07,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash -62045149, now seen corresponding path program 1 times [2025-01-10 02:12:07,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:07,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251366436] [2025-01-10 02:12:07,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:07,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:07,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:07,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:07,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:07,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:07,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251366436] [2025-01-10 02:12:07,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251366436] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:07,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589328943] [2025-01-10 02:12:07,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:07,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:07,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:07,872 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:07,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:12:07,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:12:07,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:12:07,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:07,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:07,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:12:07,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:12:07,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:07,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589328943] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:07,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:07,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:12:07,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42967892] [2025-01-10 02:12:07,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:07,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:12:07,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:07,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:12:07,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:12:07,935 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 66 states have internal predecessors, (73), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:12:07,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:07,956 INFO L93 Difference]: Finished difference Result 154 states and 191 transitions. [2025-01-10 02:12:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:12:07,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-01-10 02:12:07,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:07,961 INFO L225 Difference]: With dead ends: 154 [2025-01-10 02:12:07,962 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:12:07,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:12:07,969 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:07,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:07,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:12:07,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:12:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 60 states have internal predecessors, (63), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:12:08,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2025-01-10 02:12:08,005 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 21 [2025-01-10 02:12:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:08,005 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2025-01-10 02:12:08,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:12:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2025-01-10 02:12:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:12:08,007 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:08,007 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:08,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:12:08,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:12:08,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:08,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:08,209 INFO L85 PathProgramCache]: Analyzing trace with hash 495398440, now seen corresponding path program 1 times [2025-01-10 02:12:08,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:08,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260737870] [2025-01-10 02:12:08,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:08,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:08,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:08,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:08,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:08,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939680959] [2025-01-10 02:12:08,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:08,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:08,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:08,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:08,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:12:08,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:12:08,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:12:08,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:08,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:08,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:08,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:12:08,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:08,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260737870] [2025-01-10 02:12:08,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:08,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939680959] [2025-01-10 02:12:08,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939680959] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:08,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:08,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:08,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986563957] [2025-01-10 02:12:08,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:08,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:08,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:08,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:08,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:08,374 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:12:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:08,421 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2025-01-10 02:12:08,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:08,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 30 [2025-01-10 02:12:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:08,423 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:12:08,423 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:12:08,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:08,424 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 19 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:08,424 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 127 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:08,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:12:08,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 90. [2025-01-10 02:12:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 02:12:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions. [2025-01-10 02:12:08,431 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 30 [2025-01-10 02:12:08,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:08,435 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 110 transitions. [2025-01-10 02:12:08,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:12:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2025-01-10 02:12:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:08,435 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:08,435 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:08,441 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 02:12:08,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:08,636 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:08,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:08,637 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455910, now seen corresponding path program 1 times [2025-01-10 02:12:08,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:08,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14387534] [2025-01-10 02:12:08,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:08,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:08,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:08,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:08,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:08,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:08,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604942768] [2025-01-10 02:12:08,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:08,672 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:08,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:12:08,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:08,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:08,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:08,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:08,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:08,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:08,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:08,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:08,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:08,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14387534] [2025-01-10 02:12:08,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:08,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604942768] [2025-01-10 02:12:08,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604942768] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:08,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:08,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:08,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226669371] [2025-01-10 02:12:08,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:08,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:08,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:08,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:08,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:08,738 INFO L87 Difference]: Start difference. First operand 90 states and 110 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:08,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:08,781 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2025-01-10 02:12:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:08,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:08,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:08,782 INFO L225 Difference]: With dead ends: 124 [2025-01-10 02:12:08,782 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 02:12:08,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:08,783 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 39 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:08,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 105 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 02:12:08,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 106. [2025-01-10 02:12:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 88 states have internal predecessors, (106), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2025-01-10 02:12:08,791 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 38 [2025-01-10 02:12:08,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:08,791 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2025-01-10 02:12:08,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2025-01-10 02:12:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:12:08,795 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:08,795 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:08,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:12:08,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:08,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:08,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:08,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2090455861, now seen corresponding path program 1 times [2025-01-10 02:12:08,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:08,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037346674] [2025-01-10 02:12:08,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:08,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:09,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:12:09,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:12:09,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:09,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:09,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037346674] [2025-01-10 02:12:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037346674] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:09,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:09,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:09,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418507168] [2025-01-10 02:12:09,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:09,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:09,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:09,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:09,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:09,126 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:09,200 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2025-01-10 02:12:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:09,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2025-01-10 02:12:09,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:09,202 INFO L225 Difference]: With dead ends: 106 [2025-01-10 02:12:09,202 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:12:09,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:09,203 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:09,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 75 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:12:09,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:12:09,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 86 states have internal predecessors, (102), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:09,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2025-01-10 02:12:09,210 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 38 [2025-01-10 02:12:09,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:09,210 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2025-01-10 02:12:09,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,210 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2025-01-10 02:12:09,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:12:09,211 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:09,211 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:09,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:12:09,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:09,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:09,212 INFO L85 PathProgramCache]: Analyzing trace with hash -379622195, now seen corresponding path program 1 times [2025-01-10 02:12:09,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:09,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449417389] [2025-01-10 02:12:09,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:09,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:12:09,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:12:09,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:09,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:09,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:09,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449417389] [2025-01-10 02:12:09,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449417389] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:09,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:09,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:09,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998956313] [2025-01-10 02:12:09,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:09,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:09,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:09,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:09,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:09,277 INFO L87 Difference]: Start difference. First operand 104 states and 132 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:09,329 INFO L93 Difference]: Finished difference Result 111 states and 137 transitions. [2025-01-10 02:12:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:09,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2025-01-10 02:12:09,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:09,331 INFO L225 Difference]: With dead ends: 111 [2025-01-10 02:12:09,331 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 02:12:09,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:09,332 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:09,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 122 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 02:12:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2025-01-10 02:12:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.5538461538461539) internal successors, (101), 86 states have internal predecessors, (101), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2025-01-10 02:12:09,351 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 39 [2025-01-10 02:12:09,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:09,352 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2025-01-10 02:12:09,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2025-01-10 02:12:09,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:12:09,352 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:09,352 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:09,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:12:09,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:09,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:09,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1116567228, now seen corresponding path program 1 times [2025-01-10 02:12:09,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:09,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246281625] [2025-01-10 02:12:09,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:09,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:09,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:12:09,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:12:09,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:09,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:09,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:09,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246281625] [2025-01-10 02:12:09,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246281625] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:09,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:09,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:09,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595045774] [2025-01-10 02:12:09,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:09,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:09,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:09,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:09,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:09,447 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:09,667 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2025-01-10 02:12:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:09,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2025-01-10 02:12:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:09,668 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:09,669 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 02:12:09,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:09,670 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 82 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:09,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 103 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 02:12:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2025-01-10 02:12:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.5294117647058822) internal successors, (104), 89 states have internal predecessors, (104), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 134 transitions. [2025-01-10 02:12:09,685 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 134 transitions. Word has length 40 [2025-01-10 02:12:09,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:09,685 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 134 transitions. [2025-01-10 02:12:09,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 134 transitions. [2025-01-10 02:12:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:12:09,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:09,686 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:09,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:12:09,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:09,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:09,687 INFO L85 PathProgramCache]: Analyzing trace with hash 253845773, now seen corresponding path program 1 times [2025-01-10 02:12:09,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:09,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620561856] [2025-01-10 02:12:09,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:09,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:09,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:09,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:09,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:09,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:12:09,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620561856] [2025-01-10 02:12:09,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620561856] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:09,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241874689] [2025-01-10 02:12:09,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:09,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:09,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:09,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:09,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:12:09,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:12:09,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:12:09,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:09,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:09,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:09,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:12:09,952 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:09,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241874689] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:09,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:09,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-01-10 02:12:09,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244862716] [2025-01-10 02:12:09,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:09,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:09,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:09,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:09,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:09,953 INFO L87 Difference]: Start difference. First operand 107 states and 134 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:10,002 INFO L93 Difference]: Finished difference Result 118 states and 141 transitions. [2025-01-10 02:12:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:10,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2025-01-10 02:12:10,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:10,004 INFO L225 Difference]: With dead ends: 118 [2025-01-10 02:12:10,004 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 02:12:10,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:10,004 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 30 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:10,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 95 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:12:10,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 02:12:10,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 108. [2025-01-10 02:12:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 90 states have internal predecessors, (103), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 133 transitions. [2025-01-10 02:12:10,023 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 133 transitions. Word has length 41 [2025-01-10 02:12:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:10,023 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 133 transitions. [2025-01-10 02:12:10,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:12:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2025-01-10 02:12:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:12:10,025 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:10,025 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:10,031 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 02:12:10,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:12:10,226 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:10,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash -217514727, now seen corresponding path program 1 times [2025-01-10 02:12:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:10,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564336615] [2025-01-10 02:12:10,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:10,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:10,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:10,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:10,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:10,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064138699] [2025-01-10 02:12:10,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:10,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:10,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:10,266 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:10,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:12:10,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:12:10,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:12:10,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:10,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:10,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:12:10,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:10,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:10,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:10,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564336615] [2025-01-10 02:12:10,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:10,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064138699] [2025-01-10 02:12:10,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064138699] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:10,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:10,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:12:10,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248741888] [2025-01-10 02:12:10,556 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:10,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:12:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:10,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:12:10,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:10,557 INFO L87 Difference]: Start difference. First operand 108 states and 133 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:10,683 INFO L93 Difference]: Finished difference Result 121 states and 150 transitions. [2025-01-10 02:12:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:12:10,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 52 [2025-01-10 02:12:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:10,684 INFO L225 Difference]: With dead ends: 121 [2025-01-10 02:12:10,685 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 02:12:10,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:10,686 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 53 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:10,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 214 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 02:12:10,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-01-10 02:12:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.381578947368421) internal successors, (105), 93 states have internal predecessors, (105), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 02:12:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2025-01-10 02:12:10,700 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 52 [2025-01-10 02:12:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:10,701 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2025-01-10 02:12:10,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2025-01-10 02:12:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:12:10,703 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:10,703 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:10,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:10,904 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:10,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:10,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1846978101, now seen corresponding path program 1 times [2025-01-10 02:12:10,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:10,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832597719] [2025-01-10 02:12:10,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:10,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:10,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:10,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:10,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:10,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:10,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661786286] [2025-01-10 02:12:10,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:10,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:10,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:10,933 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:10,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:12:10,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:12:10,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:12:10,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:10,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:10,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:12:10,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-10 02:12:11,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:11,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:11,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832597719] [2025-01-10 02:12:11,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:11,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661786286] [2025-01-10 02:12:11,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661786286] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:11,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:11,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:12:11,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253767158] [2025-01-10 02:12:11,236 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:11,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:12:11,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:11,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:12:11,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:11,237 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:11,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:11,383 INFO L93 Difference]: Finished difference Result 180 states and 233 transitions. [2025-01-10 02:12:11,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:12:11,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 53 [2025-01-10 02:12:11,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:11,386 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:12:11,386 INFO L226 Difference]: Without dead ends: 176 [2025-01-10 02:12:11,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:12:11,387 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 101 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:11,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 202 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:11,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-01-10 02:12:11,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 167. [2025-01-10 02:12:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 121 states have (on average 1.3884297520661157) internal successors, (168), 138 states have internal predecessors, (168), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:12:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 220 transitions. [2025-01-10 02:12:11,407 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 220 transitions. Word has length 53 [2025-01-10 02:12:11,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 220 transitions. [2025-01-10 02:12:11,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-01-10 02:12:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 220 transitions. [2025-01-10 02:12:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 02:12:11,407 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:11,407 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:11,416 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 02:12:11,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-10 02:12:11,608 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:11,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 461971118, now seen corresponding path program 1 times [2025-01-10 02:12:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:11,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815387761] [2025-01-10 02:12:11,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:11,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:11,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 02:12:11,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 02:12:11,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:11,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 02:12:11,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:11,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815387761] [2025-01-10 02:12:11,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815387761] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:11,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:11,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:12:11,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403111456] [2025-01-10 02:12:11,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:11,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:11,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:11,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:11,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:12:11,699 INFO L87 Difference]: Start difference. First operand 167 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:11,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:11,791 INFO L93 Difference]: Finished difference Result 176 states and 229 transitions. [2025-01-10 02:12:11,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:11,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2025-01-10 02:12:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:11,792 INFO L225 Difference]: With dead ends: 176 [2025-01-10 02:12:11,792 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 02:12:11,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:11,793 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:11,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 133 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:11,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 02:12:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 137. [2025-01-10 02:12:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 97 states have (on average 1.443298969072165) internal successors, (140), 114 states have internal predecessors, (140), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:12:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 180 transitions. [2025-01-10 02:12:11,814 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 180 transitions. Word has length 57 [2025-01-10 02:12:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:11,814 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 180 transitions. [2025-01-10 02:12:11,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 180 transitions. [2025-01-10 02:12:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:12:11,814 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:11,814 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:11,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:12:11,814 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:11,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:11,815 INFO L85 PathProgramCache]: Analyzing trace with hash -953623300, now seen corresponding path program 1 times [2025-01-10 02:12:11,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:11,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564993150] [2025-01-10 02:12:11,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:11,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:11,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:11,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:11,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:11,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:11,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564993150] [2025-01-10 02:12:11,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564993150] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696437247] [2025-01-10 02:12:11,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:11,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:11,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:11,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:11,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:12:11,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:12:11,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:12:11,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:11,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:11,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:12:11,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:11,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-01-10 02:12:11,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696437247] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:11,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:11,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 02:12:11,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291153726] [2025-01-10 02:12:11,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:11,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:12:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:11,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:12:11,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:11,991 INFO L87 Difference]: Start difference. First operand 137 states and 180 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:12,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:12,120 INFO L93 Difference]: Finished difference Result 240 states and 312 transitions. [2025-01-10 02:12:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:12,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 61 [2025-01-10 02:12:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:12,121 INFO L225 Difference]: With dead ends: 240 [2025-01-10 02:12:12,121 INFO L226 Difference]: Without dead ends: 238 [2025-01-10 02:12:12,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:12:12,122 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 154 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:12,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 168 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-01-10 02:12:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 190. [2025-01-10 02:12:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.4428571428571428) internal successors, (202), 157 states have internal predecessors, (202), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:12:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 262 transitions. [2025-01-10 02:12:12,137 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 262 transitions. Word has length 61 [2025-01-10 02:12:12,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:12,137 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 262 transitions. [2025-01-10 02:12:12,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-01-10 02:12:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2025-01-10 02:12:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 02:12:12,138 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:12,138 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:12,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:12:12,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:12,342 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:12,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:12,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1977915428, now seen corresponding path program 2 times [2025-01-10 02:12:12,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:12,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73064787] [2025-01-10 02:12:12,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:12,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:12,353 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:12,364 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:12,365 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:12,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:12,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73064787] [2025-01-10 02:12:12,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73064787] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206821767] [2025-01-10 02:12:12,540 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:12:12,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:12,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:12,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:12,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:12:12,572 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-01-10 02:12:12,592 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:12:12,592 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:12:12,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:12,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:12:12,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:12,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206821767] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:13,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:13,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2025-01-10 02:12:13,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533280336] [2025-01-10 02:12:13,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:13,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:12:13,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:13,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:12:13,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:13,004 INFO L87 Difference]: Start difference. First operand 190 states and 262 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-01-10 02:12:13,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:13,394 INFO L93 Difference]: Finished difference Result 272 states and 354 transitions. [2025-01-10 02:12:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:12:13,395 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 75 [2025-01-10 02:12:13,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:13,396 INFO L225 Difference]: With dead ends: 272 [2025-01-10 02:12:13,396 INFO L226 Difference]: Without dead ends: 144 [2025-01-10 02:12:13,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:12:13,397 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 432 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:13,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 286 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-01-10 02:12:13,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 98. [2025-01-10 02:12:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 80 states have internal predecessors, (87), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 117 transitions. [2025-01-10 02:12:13,407 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 117 transitions. Word has length 75 [2025-01-10 02:12:13,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:13,407 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 117 transitions. [2025-01-10 02:12:13,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 13 states have internal predecessors, (59), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-01-10 02:12:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2025-01-10 02:12:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 02:12:13,408 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:13,408 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:13,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:12:13,612 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 02:12:13,612 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:13,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1785980644, now seen corresponding path program 1 times [2025-01-10 02:12:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:13,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840531770] [2025-01-10 02:12:13,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:13,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:13,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-01-10 02:12:13,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 02:12:13,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:13,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:13,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:13,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840531770] [2025-01-10 02:12:13,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840531770] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:13,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:13,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:12:13,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074474107] [2025-01-10 02:12:13,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:13,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:12:13,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:13,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:12:13,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:12:13,657 INFO L87 Difference]: Start difference. First operand 98 states and 117 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:13,743 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2025-01-10 02:12:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:13,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 82 [2025-01-10 02:12:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:13,744 INFO L225 Difference]: With dead ends: 98 [2025-01-10 02:12:13,744 INFO L226 Difference]: Without dead ends: 97 [2025-01-10 02:12:13,744 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 02:12:13,745 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:13,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-01-10 02:12:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-01-10 02:12:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 79 states have internal predecessors, (85), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 115 transitions. [2025-01-10 02:12:13,753 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 115 transitions. Word has length 82 [2025-01-10 02:12:13,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:13,753 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 115 transitions. [2025-01-10 02:12:13,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2025-01-10 02:12:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 02:12:13,754 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:13,754 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:13,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 02:12:13,755 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:13,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:13,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1659522686, now seen corresponding path program 1 times [2025-01-10 02:12:13,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:13,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701040537] [2025-01-10 02:12:13,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:13,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:12:13,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:12:13,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:13,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:13,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:13,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701040537] [2025-01-10 02:12:13,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701040537] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:13,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837023996] [2025-01-10 02:12:13,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:13,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:13,919 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 02:12:13,923 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 02:12:13,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 02:12:13,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 02:12:13,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:13,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:13,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:13,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:14,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:14,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837023996] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:14,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:14,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 02:12:14,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456044656] [2025-01-10 02:12:14,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:14,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:14,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:14,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:14,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:14,114 INFO L87 Difference]: Start difference. First operand 97 states and 115 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:14,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:14,287 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2025-01-10 02:12:14,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:12:14,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2025-01-10 02:12:14,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:14,289 INFO L225 Difference]: With dead ends: 103 [2025-01-10 02:12:14,289 INFO L226 Difference]: Without dead ends: 102 [2025-01-10 02:12:14,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:14,290 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 31 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:14,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 152 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:14,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-10 02:12:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2025-01-10 02:12:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 82 states have internal predecessors, (89), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2025-01-10 02:12:14,299 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 84 [2025-01-10 02:12:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:14,300 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2025-01-10 02:12:14,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2025-01-10 02:12:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 02:12:14,300 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:14,300 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:14,309 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 02:12:14,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:14,505 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:14,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -94404183, now seen corresponding path program 1 times [2025-01-10 02:12:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:14,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62943133] [2025-01-10 02:12:14,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:14,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:14,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:12:14,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:12:14,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:14,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:14,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:14,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62943133] [2025-01-10 02:12:14,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62943133] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:14,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103184797] [2025-01-10 02:12:14,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:14,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:14,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:14,631 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 02:12:14,632 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 02:12:14,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 02:12:14,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 02:12:14,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:14,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:14,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:12:14,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:14,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:12:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103184797] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:14,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-01-10 02:12:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001413505] [2025-01-10 02:12:14,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:14,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:12:14,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:14,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:12:14,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:14,792 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:14,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:14,865 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2025-01-10 02:12:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:12:14,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2025-01-10 02:12:14,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:14,866 INFO L225 Difference]: With dead ends: 103 [2025-01-10 02:12:14,866 INFO L226 Difference]: Without dead ends: 102 [2025-01-10 02:12:14,867 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:14,867 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:14,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 85 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:14,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-10 02:12:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2025-01-10 02:12:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 83 states have internal predecessors, (90), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2025-01-10 02:12:14,876 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 85 [2025-01-10 02:12:14,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:14,877 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2025-01-10 02:12:14,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:12:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2025-01-10 02:12:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:12:14,877 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:14,877 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:14,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:15,077 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,SelfDestructingSolverStorable14 [2025-01-10 02:12:15,078 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:15,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1368437690, now seen corresponding path program 1 times [2025-01-10 02:12:15,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:15,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515451239] [2025-01-10 02:12:15,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:15,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:12:15,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:12:15,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:15,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:15,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022862739] [2025-01-10 02:12:15,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:15,102 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 02:12:15,103 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 02:12:15,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:12:15,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:12:15,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:15,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:15,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:12:15,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:15,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:15,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:15,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515451239] [2025-01-10 02:12:15,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:15,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022862739] [2025-01-10 02:12:15,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022862739] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:15,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:15,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:15,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69518914] [2025-01-10 02:12:15,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:15,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:15,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:15,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:15,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:15,999 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:16,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:16,336 INFO L93 Difference]: Finished difference Result 141 states and 166 transitions. [2025-01-10 02:12:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:12:16,336 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 86 [2025-01-10 02:12:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:16,337 INFO L225 Difference]: With dead ends: 141 [2025-01-10 02:12:16,337 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 02:12:16,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:12:16,337 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 80 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:16,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 122 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 02:12:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-01-10 02:12:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 67 states have internal predecessors, (70), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 02:12:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2025-01-10 02:12:16,346 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 86 [2025-01-10 02:12:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:16,346 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2025-01-10 02:12:16,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2025-01-10 02:12:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 02:12:16,347 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:16,347 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:16,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:12:16,547 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,SelfDestructingSolverStorable15 [2025-01-10 02:12:16,547 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:16,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -528104501, now seen corresponding path program 1 times [2025-01-10 02:12:16,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:16,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634328048] [2025-01-10 02:12:16,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:16,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:16,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:12:16,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:12:16,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:16,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:16,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595825607] [2025-01-10 02:12:16,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:16,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:16,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:16,570 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 02:12:16,574 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 02:12:16,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:12:16,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:12:16,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:16,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:16,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:12:16,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:16,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:17,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:17,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634328048] [2025-01-10 02:12:17,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:17,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595825607] [2025-01-10 02:12:17,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595825607] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:17,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:17,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:12:17,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314069390] [2025-01-10 02:12:17,270 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:17,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:12:17,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:17,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:12:17,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:17,270 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:17,509 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2025-01-10 02:12:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:12:17,509 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 87 [2025-01-10 02:12:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:17,510 INFO L225 Difference]: With dead ends: 110 [2025-01-10 02:12:17,510 INFO L226 Difference]: Without dead ends: 109 [2025-01-10 02:12:17,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:17,511 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 82 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:17,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 130 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:17,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-01-10 02:12:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2025-01-10 02:12:17,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 82 states have internal predecessors, (89), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:17,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2025-01-10 02:12:17,532 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 87 [2025-01-10 02:12:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:17,532 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2025-01-10 02:12:17,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-01-10 02:12:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2025-01-10 02:12:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-01-10 02:12:17,533 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:17,533 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:17,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:17,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:12:17,737 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:17,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 808629724, now seen corresponding path program 1 times [2025-01-10 02:12:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:17,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008954802] [2025-01-10 02:12:17,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:17,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:17,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-01-10 02:12:17,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-01-10 02:12:17,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:17,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-01-10 02:12:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:17,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008954802] [2025-01-10 02:12:17,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008954802] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:17,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:12:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66165180] [2025-01-10 02:12:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:17,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:17,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:17,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:17,803 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:17,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:17,909 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2025-01-10 02:12:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:12:17,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 88 [2025-01-10 02:12:17,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:17,910 INFO L225 Difference]: With dead ends: 100 [2025-01-10 02:12:17,911 INFO L226 Difference]: Without dead ends: 99 [2025-01-10 02:12:17,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:12:17,911 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 56 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:17,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 102 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:17,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-01-10 02:12:17,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 93. [2025-01-10 02:12:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.1764705882352942) internal successors, (80), 75 states have internal predecessors, (80), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:12:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2025-01-10 02:12:17,919 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 88 [2025-01-10 02:12:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:17,919 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2025-01-10 02:12:17,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-01-10 02:12:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2025-01-10 02:12:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-10 02:12:17,920 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:17,920 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:17,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 02:12:17,920 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:17,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash -702282259, now seen corresponding path program 1 times [2025-01-10 02:12:17,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:17,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060929106] [2025-01-10 02:12:17,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:17,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:12:17,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:12:17,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:17,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-10 02:12:18,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:18,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060929106] [2025-01-10 02:12:18,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060929106] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:18,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447620612] [2025-01-10 02:12:18,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:18,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:18,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:18,134 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 02:12:18,140 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 02:12:18,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 02:12:18,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 02:12:18,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:18,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:18,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:12:18,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:18,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-01-10 02:12:18,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447620612] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:18,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:18,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 18 [2025-01-10 02:12:18,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326278118] [2025-01-10 02:12:18,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:18,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:12:18,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:18,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:12:18,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:12:18,804 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 19 states, 18 states have (on average 4.666666666666667) internal successors, (84), 19 states have internal predecessors, (84), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2025-01-10 02:12:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:19,798 INFO L93 Difference]: Finished difference Result 278 states and 353 transitions. [2025-01-10 02:12:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 02:12:19,799 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.666666666666667) internal successors, (84), 19 states have internal predecessors, (84), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) Word has length 89 [2025-01-10 02:12:19,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:19,800 INFO L225 Difference]: With dead ends: 278 [2025-01-10 02:12:19,800 INFO L226 Difference]: Without dead ends: 244 [2025-01-10 02:12:19,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 163 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=411, Invalid=1311, Unknown=0, NotChecked=0, Total=1722 [2025-01-10 02:12:19,801 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 483 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:19,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 392 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:12:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-01-10 02:12:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 165. [2025-01-10 02:12:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 132 states have (on average 1.2121212121212122) internal successors, (160), 139 states have internal predecessors, (160), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 02:12:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 206 transitions. [2025-01-10 02:12:19,819 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 206 transitions. Word has length 89 [2025-01-10 02:12:19,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:19,820 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 206 transitions. [2025-01-10 02:12:19,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.666666666666667) internal successors, (84), 19 states have internal predecessors, (84), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2025-01-10 02:12:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 206 transitions. [2025-01-10 02:12:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 02:12:19,823 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:19,823 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:19,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:12:20,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:20,027 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:20,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:20,027 INFO L85 PathProgramCache]: Analyzing trace with hash -755212180, now seen corresponding path program 1 times [2025-01-10 02:12:20,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:20,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465394978] [2025-01-10 02:12:20,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:20,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:20,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:12:20,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:12:20,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:20,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:20,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347111961] [2025-01-10 02:12:20,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:20,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:20,048 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 02:12:20,053 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 02:12:20,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 02:12:20,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 02:12:20,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:20,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:20,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:12:20,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:20,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:20,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465394978] [2025-01-10 02:12:20,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:20,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347111961] [2025-01-10 02:12:20,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347111961] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:20,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:20,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:12:20,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45746308] [2025-01-10 02:12:20,857 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:20,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:12:20,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:20,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:12:20,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:12:20,858 INFO L87 Difference]: Start difference. First operand 165 states and 206 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:12:21,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:21,060 INFO L93 Difference]: Finished difference Result 181 states and 227 transitions. [2025-01-10 02:12:21,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:12:21,060 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 103 [2025-01-10 02:12:21,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:21,061 INFO L225 Difference]: With dead ends: 181 [2025-01-10 02:12:21,062 INFO L226 Difference]: Without dead ends: 180 [2025-01-10 02:12:21,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:12:21,063 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 20 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:21,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 244 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2025-01-10 02:12:21,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 175. [2025-01-10 02:12:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.207142857142857) internal successors, (169), 147 states have internal predecessors, (169), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-10 02:12:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2025-01-10 02:12:21,083 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 219 transitions. Word has length 103 [2025-01-10 02:12:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:21,083 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 219 transitions. [2025-01-10 02:12:21,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-01-10 02:12:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 219 transitions. [2025-01-10 02:12:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 02:12:21,084 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:21,084 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:21,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:12:21,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:21,288 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:21,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:21,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1936740987, now seen corresponding path program 1 times [2025-01-10 02:12:21,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:21,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076995477] [2025-01-10 02:12:21,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:21,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:21,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:12:21,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:12:21,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:21,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:21,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541330115] [2025-01-10 02:12:21,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:21,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:21,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:21,312 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 02:12:21,314 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 02:12:21,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-10 02:12:21,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 02:12:21,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:21,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:21,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 02:12:21,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-01-10 02:12:21,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:22,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076995477] [2025-01-10 02:12:22,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541330115] [2025-01-10 02:12:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541330115] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:22,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:22,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-01-10 02:12:22,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850331175] [2025-01-10 02:12:22,912 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:22,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:12:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:22,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:12:22,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:12:22,914 INFO L87 Difference]: Start difference. First operand 175 states and 219 transitions. Second operand has 16 states, 15 states have (on average 3.4) internal successors, (51), 16 states have internal predecessors, (51), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 02:12:23,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:23,531 INFO L93 Difference]: Finished difference Result 183 states and 228 transitions. [2025-01-10 02:12:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:12:23,531 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.4) internal successors, (51), 16 states have internal predecessors, (51), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) Word has length 104 [2025-01-10 02:12:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:23,532 INFO L225 Difference]: With dead ends: 183 [2025-01-10 02:12:23,532 INFO L226 Difference]: Without dead ends: 182 [2025-01-10 02:12:23,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:12:23,533 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 58 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:23,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 291 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:12:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-10 02:12:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2025-01-10 02:12:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 141 states have (on average 1.2056737588652482) internal successors, (170), 148 states have internal predecessors, (170), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-10 02:12:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 220 transitions. [2025-01-10 02:12:23,546 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 220 transitions. Word has length 104 [2025-01-10 02:12:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:23,546 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 220 transitions. [2025-01-10 02:12:23,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.4) internal successors, (51), 16 states have internal predecessors, (51), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 5 states have call predecessors, (13), 7 states have call successors, (13) [2025-01-10 02:12:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 220 transitions. [2025-01-10 02:12:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-01-10 02:12:23,547 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:23,547 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:23,553 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 02:12:23,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:23,752 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:23,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash 90571662, now seen corresponding path program 1 times [2025-01-10 02:12:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056447786] [2025-01-10 02:12:23,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:23,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-10 02:12:23,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-10 02:12:23,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:23,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-01-10 02:12:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056447786] [2025-01-10 02:12:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056447786] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:12:23,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:12:23,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:12:23,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927248205] [2025-01-10 02:12:23,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:12:23,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:12:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:23,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:12:23,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:12:23,802 INFO L87 Difference]: Start difference. First operand 176 states and 220 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:12:23,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:23,886 INFO L93 Difference]: Finished difference Result 176 states and 220 transitions. [2025-01-10 02:12:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:23,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 105 [2025-01-10 02:12:23,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:23,887 INFO L225 Difference]: With dead ends: 176 [2025-01-10 02:12:23,887 INFO L226 Difference]: Without dead ends: 175 [2025-01-10 02:12:23,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:12:23,888 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:23,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 129 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-01-10 02:12:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-01-10 02:12:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 141 states have (on average 1.198581560283688) internal successors, (169), 147 states have internal predecessors, (169), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-10 02:12:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2025-01-10 02:12:23,901 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 219 transitions. Word has length 105 [2025-01-10 02:12:23,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:23,902 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 219 transitions. [2025-01-10 02:12:23,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-01-10 02:12:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 219 transitions. [2025-01-10 02:12:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:12:23,902 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:23,902 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:23,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-01-10 02:12:23,903 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:23,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1487245657, now seen corresponding path program 1 times [2025-01-10 02:12:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:23,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997980549] [2025-01-10 02:12:23,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:23,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:12:23,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:12:23,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:23,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:24,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:24,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997980549] [2025-01-10 02:12:24,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997980549] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:24,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278004253] [2025-01-10 02:12:24,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:24,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:24,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:24,085 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 02:12:24,086 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 02:12:24,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:12:24,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:12:24,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:24,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:24,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:12:24,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-01-10 02:12:24,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:24,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278004253] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:24,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:12:24,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2025-01-10 02:12:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268431915] [2025-01-10 02:12:24,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:24,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 02:12:24,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:24,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 02:12:24,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:12:24,384 INFO L87 Difference]: Start difference. First operand 175 states and 219 transitions. Second operand has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-01-10 02:12:24,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:24,923 INFO L93 Difference]: Finished difference Result 238 states and 295 transitions. [2025-01-10 02:12:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 02:12:24,924 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) Word has length 106 [2025-01-10 02:12:24,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:24,925 INFO L225 Difference]: With dead ends: 238 [2025-01-10 02:12:24,925 INFO L226 Difference]: Without dead ends: 229 [2025-01-10 02:12:24,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=841, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:12:24,925 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 264 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:24,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 546 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:12:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-01-10 02:12:24,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 202. [2025-01-10 02:12:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 164 states have (on average 1.201219512195122) internal successors, (197), 170 states have internal predecessors, (197), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 02:12:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 255 transitions. [2025-01-10 02:12:24,951 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 255 transitions. Word has length 106 [2025-01-10 02:12:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:24,951 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 255 transitions. [2025-01-10 02:12:24,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.1875) internal successors, (83), 17 states have internal predecessors, (83), 8 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 8 states have call successors, (17) [2025-01-10 02:12:24,951 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2025-01-10 02:12:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 02:12:24,952 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:24,952 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:24,958 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 02:12:25,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:25,157 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:25,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:25,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1407341734, now seen corresponding path program 1 times [2025-01-10 02:12:25,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:25,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837306842] [2025-01-10 02:12:25,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:25,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:25,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 02:12:25,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 02:12:25,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:25,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:25,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:25,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837306842] [2025-01-10 02:12:25,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837306842] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:25,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822713059] [2025-01-10 02:12:25,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:25,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:25,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:25,319 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 02:12:25,322 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 02:12:25,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 02:12:25,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 02:12:25,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:25,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:25,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:12:25,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:25,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-01-10 02:12:26,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822713059] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:26,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:26,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2025-01-10 02:12:26,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224672483] [2025-01-10 02:12:26,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:26,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:12:26,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:26,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:12:26,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:12:26,871 INFO L87 Difference]: Start difference. First operand 202 states and 255 transitions. Second operand has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 18 states have internal predecessors, (138), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2025-01-10 02:12:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:27,009 INFO L93 Difference]: Finished difference Result 202 states and 255 transitions. [2025-01-10 02:12:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:12:27,010 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 18 states have internal predecessors, (138), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 111 [2025-01-10 02:12:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:27,011 INFO L225 Difference]: With dead ends: 202 [2025-01-10 02:12:27,011 INFO L226 Difference]: Without dead ends: 191 [2025-01-10 02:12:27,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=245, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:12:27,011 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 41 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:27,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 280 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:12:27,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-01-10 02:12:27,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 155. [2025-01-10 02:12:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.0703125) internal successors, (137), 129 states have internal predecessors, (137), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 02:12:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2025-01-10 02:12:27,026 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 111 [2025-01-10 02:12:27,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,027 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2025-01-10 02:12:27,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.117647058823529) internal successors, (138), 18 states have internal predecessors, (138), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2025-01-10 02:12:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2025-01-10 02:12:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-01-10 02:12:27,028 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:27,028 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:27,034 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 02:12:27,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:27,229 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 02:12:27,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:27,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2023861399, now seen corresponding path program 1 times [2025-01-10 02:12:27,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:27,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927844158] [2025-01-10 02:12:27,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:27,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:12:27,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:12:27,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2025-01-10 02:12:27,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:27,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927844158] [2025-01-10 02:12:27,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927844158] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:27,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630819716] [2025-01-10 02:12:27,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:12:27,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:27,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:27,469 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 02:12:27,471 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 02:12:27,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-01-10 02:12:27,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-01-10 02:12:27,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:12:27,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:27,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:12:27,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 114 proven. 15 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-01-10 02:12:27,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2025-01-10 02:12:27,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630819716] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:12:27,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:12:27,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2025-01-10 02:12:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780618702] [2025-01-10 02:12:27,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:27,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:12:27,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:27,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:12:27,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:12:27,661 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand has 15 states, 15 states have (on average 8.866666666666667) internal successors, (133), 15 states have internal predecessors, (133), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-01-10 02:12:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:27,887 INFO L93 Difference]: Finished difference Result 168 states and 197 transitions. [2025-01-10 02:12:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:12:27,888 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.866666666666667) internal successors, (133), 15 states have internal predecessors, (133), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 135 [2025-01-10 02:12:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:27,889 INFO L225 Difference]: With dead ends: 168 [2025-01-10 02:12:27,889 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:12:27,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:12:27,890 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 31 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:27,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 308 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:12:27,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:12:27,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:12:27,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:12:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:12:27,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2025-01-10 02:12:27,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:27,890 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:12:27,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.866666666666667) internal successors, (133), 15 states have internal predecessors, (133), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-01-10 02:12:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:12:27,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-01-10 02:12:27,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-01-10 02:12:27,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-01-10 02:12:27,904 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 02:12:28,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 02:12:28,098 INFO L422 BasicCegarLoop]: Path program histogram: [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 02:12:28,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:12:28,406 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:12:28,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:12:28 BoogieIcfgContainer [2025-01-10 02:12:28,414 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:12:28,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:12:28,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:12:28,416 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:12:28,416 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:12:07" (3/4) ... [2025-01-10 02:12:28,418 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:12:28,422 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-10 02:12:28,422 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-01-10 02:12:28,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-10 02:12:28,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 02:12:28,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:12:28,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:12:28,479 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:12:28,479 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:12:28,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:12:28,480 INFO L158 Benchmark]: Toolchain (without parser) took 21333.41ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 133.2MB in the beginning and 252.2MB in the end (delta: -119.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,480 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:12:28,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.45ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 121.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.13ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:12:28,481 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,481 INFO L158 Benchmark]: RCFGBuilder took 330.03ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,481 INFO L158 Benchmark]: TraceAbstraction took 20715.12ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 101.8MB in the beginning and 257.1MB in the end (delta: -155.3MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,481 INFO L158 Benchmark]: Witness Printer took 63.93ms. Allocated memory is still 293.6MB. Free memory was 257.1MB in the beginning and 252.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:12:28,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 226.5MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.45ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 121.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.13ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 167.8MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 330.03ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 102.3MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 20715.12ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 101.8MB in the beginning and 257.1MB in the end (delta: -155.3MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Witness Printer took 63.93ms. Allocated memory is still 293.6MB. Free memory was 257.1MB in the beginning and 252.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 25, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2261 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2198 mSDsluCounter, 4602 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3258 mSDsCounter, 368 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4851 IncrementalHoareTripleChecker+Invalid, 5219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 368 mSolverCounterUnsat, 1344 mSDtfsCounter, 4851 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2111 GetRequests, 1842 SyntacticMatches, 9 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=23, InterpolantAutomatonStates: 200, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 342 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 3171 NumberOfCodeBlocks, 3171 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 3049 ConstructedInterpolants, 4 QuantifiedInterpolants, 13380 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2716 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 40 InterpolantComputations, 13 PerfectInterpolantSequences, 4770/5140 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((2 == p) && (A == 1)) && (B == 1)) && (q == 0)) && (r == 1)) && (2 == d)) || (((((((B <= 1) && (p == 1)) && (d <= 4294967295)) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (0 <= d))) || ((((((d == 1) && (p == 1)) && (A == 1)) && (B == 1)) && (r == 0)) && (q == 1))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((2 == p) && (A == 1)) && (B == 1)) && (q == 0)) && (r == 1)) && (2 == d)) || ((((((d == 1) && (p == 1)) && (r <= 1)) && (B == 1)) && (q == 0)) && (r == A))) RESULT: Ultimate proved your program to be correct! [2025-01-10 02:12:28,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE