./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c47d59ab63382053ffbe7eb88792770801b76622345c0f78fbb8210938779c5e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:23:00,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:23:00,141 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:23:00,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:23:00,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:23:00,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:23:00,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:23:00,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:23:00,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:23:00,174 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:23:00,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:23:00,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:23:00,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:23:00,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:23:00,175 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:23:00,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:23:00,177 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:23:00,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:00,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:00,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:23:00,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:23:00,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:23:00,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:23:00,179 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:23:00,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:23:00,179 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 -> c47d59ab63382053ffbe7eb88792770801b76622345c0f78fbb8210938779c5e [2025-01-10 02:23:00,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:23:00,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:23:00,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:23:00,411 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:23:00,411 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:23:00,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound10.c [2025-01-10 02:23:01,531 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5431b3e77/40375c8b0a524e039932c68a1ee756e5/FLAG9cc6aeb9f [2025-01-10 02:23:01,758 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:23:01,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound10.c [2025-01-10 02:23:01,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5431b3e77/40375c8b0a524e039932c68a1ee756e5/FLAG9cc6aeb9f [2025-01-10 02:23:01,782 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5431b3e77/40375c8b0a524e039932c68a1ee756e5 [2025-01-10 02:23:01,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:23:01,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:23:01,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:23:01,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:23:01,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:23:01,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62716d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01, skipping insertion in model container [2025-01-10 02:23:01,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,801 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:23:01,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:23:01,914 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:23:01,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:23:01,941 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:23:01,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01 WrapperNode [2025-01-10 02:23:01,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:23:01,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:23:01,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:23:01,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:23:01,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,970 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2025-01-10 02:23:01,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:23:01,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:23:01,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:23:01,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:23:01,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,995 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 02:23:01,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,997 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:01,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:02,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:02,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:02,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:02,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:23:02,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:23:02,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:23:02,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:23:02,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (1/1) ... [2025-01-10 02:23:02,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:23:02,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:02,038 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 02:23:02,051 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 02:23:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:23:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:23:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:23:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:23:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:23:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:23:02,110 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:23:02,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:23:02,362 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2025-01-10 02:23:02,362 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:23:02,372 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:23:02,372 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:23:02,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:23:02 BoogieIcfgContainer [2025-01-10 02:23:02,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:23:02,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:23:02,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:23:02,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:23:02,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:23:01" (1/3) ... [2025-01-10 02:23:02,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f9943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:23:02, skipping insertion in model container [2025-01-10 02:23:02,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:23:01" (2/3) ... [2025-01-10 02:23:02,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7f9943 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:23:02, skipping insertion in model container [2025-01-10 02:23:02,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:23:02" (3/3) ... [2025-01-10 02:23:02,382 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound10.c [2025-01-10 02:23:02,396 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:23:02,397 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll_valuebound10.c that has 2 procedures, 105 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-01-10 02:23:02,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:23:02,453 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;@7c902d9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:23:02,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-01-10 02:23:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 101 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:23:02,460 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:02,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:23:02,461 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:02,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:02,466 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 02:23:02,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:02,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667395000] [2025-01-10 02:23:02,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:02,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:02,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:23:02,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:23:02,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:02,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667395000] [2025-01-10 02:23:02,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667395000] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:02,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:02,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113493635] [2025-01-10 02:23:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:02,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:23:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:02,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:23:02,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:23:02,576 INFO L87 Difference]: Start difference. First operand has 105 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 101 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 02:23:02,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:02,597 INFO L93 Difference]: Finished difference Result 201 states and 215 transitions. [2025-01-10 02:23:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:23:02,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 02:23:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:02,603 INFO L225 Difference]: With dead ends: 201 [2025-01-10 02:23:02,604 INFO L226 Difference]: Without dead ends: 93 [2025-01-10 02:23:02,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:23:02,609 INFO L435 NwaCegarLoop]: 100 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, 100 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 02:23:02,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-01-10 02:23:02,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2025-01-10 02:23:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 52 states have (on average 1.75) internal successors, (91), 90 states have internal predecessors, (91), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2025-01-10 02:23:02,641 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 5 [2025-01-10 02:23:02,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:02,642 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2025-01-10 02:23:02,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 02:23:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2025-01-10 02:23:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:23:02,643 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:02,644 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:23:02,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:23:02,645 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:02,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:02,646 INFO L85 PathProgramCache]: Analyzing trace with hash 28695752, now seen corresponding path program 1 times [2025-01-10 02:23:02,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:02,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736162006] [2025-01-10 02:23:02,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:02,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:23:02,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:23:02,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:02,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:02,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736162006] [2025-01-10 02:23:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736162006] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645220037] [2025-01-10 02:23:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:02,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:02,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:02,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:02,717 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 02:23:02,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:02,850 INFO L93 Difference]: Finished difference Result 165 states and 179 transitions. [2025-01-10 02:23:02,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:02,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 02:23:02,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:02,851 INFO L225 Difference]: With dead ends: 165 [2025-01-10 02:23:02,851 INFO L226 Difference]: Without dead ends: 160 [2025-01-10 02:23:02,852 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 02:23:02,852 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 65 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:02,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 119 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-01-10 02:23:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 122. [2025-01-10 02:23:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.7375) internal successors, (139), 118 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:02,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2025-01-10 02:23:02,866 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 5 [2025-01-10 02:23:02,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:02,866 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2025-01-10 02:23:02,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 02:23:02,866 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2025-01-10 02:23:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:23:02,866 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:02,867 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:02,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:23:02,868 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:02,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2025-01-10 02:23:02,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:02,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312735977] [2025-01-10 02:23:02,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:02,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:02,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:23:02,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:23:02,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:02,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:02,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:02,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312735977] [2025-01-10 02:23:02,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312735977] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:02,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:02,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:02,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058944243] [2025-01-10 02:23:02,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:02,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:02,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:02,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:02,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:02,908 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 02:23:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:03,055 INFO L93 Difference]: Finished difference Result 158 states and 172 transitions. [2025-01-10 02:23:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:03,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 02:23:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:03,058 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:23:03,059 INFO L226 Difference]: Without dead ends: 140 [2025-01-10 02:23:03,060 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 02:23:03,060 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 40 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:03,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 69 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:03,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-01-10 02:23:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 134. [2025-01-10 02:23:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 92 states have (on average 1.5543478260869565) internal successors, (143), 130 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2025-01-10 02:23:03,073 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 7 [2025-01-10 02:23:03,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:03,073 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2025-01-10 02:23:03,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 02:23:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2025-01-10 02:23:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 02:23:03,074 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:03,074 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:03,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:23:03,074 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:03,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:03,075 INFO L85 PathProgramCache]: Analyzing trace with hash 259668944, now seen corresponding path program 1 times [2025-01-10 02:23:03,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:03,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552993955] [2025-01-10 02:23:03,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:03,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 02:23:03,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 02:23:03,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:03,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:03,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552993955] [2025-01-10 02:23:03,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552993955] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:03,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:03,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:03,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899847139] [2025-01-10 02:23:03,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:03,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:03,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:03,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:03,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:03,147 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 02:23:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:03,252 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2025-01-10 02:23:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:03,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-10 02:23:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:03,253 INFO L225 Difference]: With dead ends: 148 [2025-01-10 02:23:03,253 INFO L226 Difference]: Without dead ends: 142 [2025-01-10 02:23:03,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:03,254 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 80 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:03,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 103 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:03,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-01-10 02:23:03,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 137. [2025-01-10 02:23:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 95 states have (on average 1.5052631578947369) internal successors, (143), 133 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2025-01-10 02:23:03,260 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 13 [2025-01-10 02:23:03,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:03,260 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2025-01-10 02:23:03,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 02:23:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2025-01-10 02:23:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 02:23:03,261 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:03,261 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:03,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:23:03,261 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:03,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash -540197266, now seen corresponding path program 1 times [2025-01-10 02:23:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:03,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045379622] [2025-01-10 02:23:03,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:03,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:23:03,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:23:03,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:03,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187160712] [2025-01-10 02:23:03,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:03,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:03,282 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 02:23:03,283 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 02:23:03,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:23:03,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:23:03,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:03,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:03,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:03,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:03,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:03,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045379622] [2025-01-10 02:23:03,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:03,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187160712] [2025-01-10 02:23:03,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187160712] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:03,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:03,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:03,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102445488] [2025-01-10 02:23:03,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:03,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:03,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:03,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:03,374 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 02:23:03,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:03,490 INFO L93 Difference]: Finished difference Result 146 states and 148 transitions. [2025-01-10 02:23:03,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:03,491 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-10 02:23:03,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:03,491 INFO L225 Difference]: With dead ends: 146 [2025-01-10 02:23:03,491 INFO L226 Difference]: Without dead ends: 122 [2025-01-10 02:23:03,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 02:23:03,492 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 33 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:03,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 69 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:03,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-01-10 02:23:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2025-01-10 02:23:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.5384615384615385) internal successors, (120), 116 states have internal predecessors, (120), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2025-01-10 02:23:03,497 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 14 [2025-01-10 02:23:03,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:03,497 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2025-01-10 02:23:03,497 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), 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 02:23:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2025-01-10 02:23:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:23:03,498 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:03,498 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:23:03,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:03,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:03,699 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:03,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash -297541420, now seen corresponding path program 1 times [2025-01-10 02:23:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116159444] [2025-01-10 02:23:03,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:03,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:23:03,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:23:03,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:03,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:03,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116159444] [2025-01-10 02:23:03,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116159444] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:03,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:03,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:03,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284973403] [2025-01-10 02:23:03,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:03,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:03,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:03,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:03,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:03,767 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:03,782 INFO L93 Difference]: Finished difference Result 122 states and 124 transitions. [2025-01-10 02:23:03,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:03,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-10 02:23:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:03,784 INFO L225 Difference]: With dead ends: 122 [2025-01-10 02:23:03,784 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 02:23:03,784 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 02:23:03,784 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:03,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 175 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 02:23:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-10 02:23:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.5128205128205128) internal successors, (118), 116 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 122 transitions. [2025-01-10 02:23:03,791 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 122 transitions. Word has length 29 [2025-01-10 02:23:03,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:03,792 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 122 transitions. [2025-01-10 02:23:03,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 122 transitions. [2025-01-10 02:23:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:23:03,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:03,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:03,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:23:03,795 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:03,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:03,795 INFO L85 PathProgramCache]: Analyzing trace with hash 804120200, now seen corresponding path program 1 times [2025-01-10 02:23:03,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:03,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782888033] [2025-01-10 02:23:03,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:03,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:23:03,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:23:03,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:03,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178520892] [2025-01-10 02:23:03,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:03,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:03,819 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 02:23:03,820 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 02:23:03,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:23:03,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:23:03,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:03,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:03,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:23:03,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:03,894 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:03,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782888033] [2025-01-10 02:23:03,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178520892] [2025-01-10 02:23:03,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178520892] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:03,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:03,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:03,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68669036] [2025-01-10 02:23:03,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:03,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:03,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:03,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:03,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:03,895 INFO L87 Difference]: Start difference. First operand 120 states and 122 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:04,037 INFO L93 Difference]: Finished difference Result 188 states and 203 transitions. [2025-01-10 02:23:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:04,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-01-10 02:23:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:04,038 INFO L225 Difference]: With dead ends: 188 [2025-01-10 02:23:04,038 INFO L226 Difference]: Without dead ends: 169 [2025-01-10 02:23:04,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:04,039 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 49 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:04,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 92 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:04,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-01-10 02:23:04,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 159. [2025-01-10 02:23:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 116 states have (on average 1.4741379310344827) internal successors, (171), 154 states have internal predecessors, (171), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2025-01-10 02:23:04,045 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 34 [2025-01-10 02:23:04,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:04,046 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2025-01-10 02:23:04,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2025-01-10 02:23:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:23:04,046 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:04,046 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:04,052 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 02:23:04,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:04,251 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:04,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash -334597942, now seen corresponding path program 1 times [2025-01-10 02:23:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:04,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529008194] [2025-01-10 02:23:04,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:04,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:23:04,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:23:04,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:04,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:04,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529008194] [2025-01-10 02:23:04,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529008194] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:04,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:04,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:04,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554425231] [2025-01-10 02:23:04,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:04,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:04,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:04,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:04,332 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:04,409 INFO L93 Difference]: Finished difference Result 160 states and 177 transitions. [2025-01-10 02:23:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:04,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-01-10 02:23:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:04,410 INFO L225 Difference]: With dead ends: 160 [2025-01-10 02:23:04,410 INFO L226 Difference]: Without dead ends: 159 [2025-01-10 02:23:04,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:04,411 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 22 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:04,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-01-10 02:23:04,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-01-10 02:23:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 116 states have (on average 1.4655172413793103) internal successors, (170), 154 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 176 transitions. [2025-01-10 02:23:04,415 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 176 transitions. Word has length 36 [2025-01-10 02:23:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:04,415 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 176 transitions. [2025-01-10 02:23:04,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 176 transitions. [2025-01-10 02:23:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:23:04,416 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:04,416 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:04,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:23:04,416 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:04,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:04,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1782601566, now seen corresponding path program 1 times [2025-01-10 02:23:04,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:04,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963446636] [2025-01-10 02:23:04,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:04,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:23:04,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:23:04,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:04,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:04,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2030132838] [2025-01-10 02:23:04,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:04,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:04,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:04,430 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 02:23:04,435 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 02:23:04,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:23:04,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:23:04,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:04,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:04,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:23:04,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:23:04,511 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:04,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:04,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963446636] [2025-01-10 02:23:04,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:04,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030132838] [2025-01-10 02:23:04,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030132838] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:04,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:04,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:23:04,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474484052] [2025-01-10 02:23:04,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:04,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:23:04,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:04,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:23:04,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:23:04,512 INFO L87 Difference]: Start difference. First operand 159 states and 176 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:04,556 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2025-01-10 02:23:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:04,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-01-10 02:23:04,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:04,557 INFO L225 Difference]: With dead ends: 159 [2025-01-10 02:23:04,557 INFO L226 Difference]: Without dead ends: 156 [2025-01-10 02:23:04,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 1 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 02:23:04,557 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:04,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 64 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-01-10 02:23:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-01-10 02:23:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 116 states have (on average 1.4224137931034482) internal successors, (165), 151 states have internal predecessors, (165), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 171 transitions. [2025-01-10 02:23:04,561 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 171 transitions. Word has length 37 [2025-01-10 02:23:04,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:04,561 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 171 transitions. [2025-01-10 02:23:04,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 171 transitions. [2025-01-10 02:23:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:23:04,562 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:04,562 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:23:04,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:04,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:04,764 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:04,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:04,764 INFO L85 PathProgramCache]: Analyzing trace with hash 573926348, now seen corresponding path program 1 times [2025-01-10 02:23:04,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:04,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174785485] [2025-01-10 02:23:04,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:04,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:23:04,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:23:04,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:04,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:04,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530963094] [2025-01-10 02:23:04,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:04,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:04,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:04,777 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 02:23:04,779 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 02:23:04,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:23:04,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:23:04,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:04,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:04,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:23:04,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:04,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:04,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:04,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:04,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174785485] [2025-01-10 02:23:04,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:04,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530963094] [2025-01-10 02:23:04,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530963094] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:04,991 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:04,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:23:04,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27473199] [2025-01-10 02:23:04,991 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:04,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:23:04,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:04,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:23:04,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:04,992 INFO L87 Difference]: Start difference. First operand 156 states and 171 transitions. Second operand has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:05,307 INFO L93 Difference]: Finished difference Result 171 states and 187 transitions. [2025-01-10 02:23:05,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:23:05,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2025-01-10 02:23:05,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:05,310 INFO L225 Difference]: With dead ends: 171 [2025-01-10 02:23:05,310 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 02:23:05,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:05,311 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 171 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:05,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 130 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:23:05,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 02:23:05,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 161. [2025-01-10 02:23:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 122 states have (on average 1.3770491803278688) internal successors, (168), 156 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 174 transitions. [2025-01-10 02:23:05,316 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 174 transitions. Word has length 38 [2025-01-10 02:23:05,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:05,316 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 174 transitions. [2025-01-10 02:23:05,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.428571428571429) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2025-01-10 02:23:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:23:05,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:05,317 INFO L218 NwaCegarLoop]: trace histogram [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 02:23:05,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:05,522 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,SelfDestructingSolverStorable9 [2025-01-10 02:23:05,522 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:05,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:05,522 INFO L85 PathProgramCache]: Analyzing trace with hash 282037674, now seen corresponding path program 1 times [2025-01-10 02:23:05,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:05,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063082187] [2025-01-10 02:23:05,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:05,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:05,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:23:05,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:23:05,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:05,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:05,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401146659] [2025-01-10 02:23:05,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:05,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:05,539 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 02:23:05,540 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 02:23:05,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:23:05,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:23:05,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:05,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:05,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:05,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:05,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:05,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063082187] [2025-01-10 02:23:05,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:05,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401146659] [2025-01-10 02:23:05,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401146659] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:05,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:05,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:23:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919306016] [2025-01-10 02:23:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:05,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:05,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:05,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:05,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:05,647 INFO L87 Difference]: Start difference. First operand 161 states and 174 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:05,754 INFO L93 Difference]: Finished difference Result 161 states and 174 transitions. [2025-01-10 02:23:05,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:05,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-01-10 02:23:05,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:05,756 INFO L225 Difference]: With dead ends: 161 [2025-01-10 02:23:05,756 INFO L226 Difference]: Without dead ends: 150 [2025-01-10 02:23:05,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:05,757 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 89 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:05,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 30 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-01-10 02:23:05,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2025-01-10 02:23:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 145 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 159 transitions. [2025-01-10 02:23:05,761 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 159 transitions. Word has length 45 [2025-01-10 02:23:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:05,761 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 159 transitions. [2025-01-10 02:23:05,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:23:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2025-01-10 02:23:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:23:05,762 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:05,762 INFO L218 NwaCegarLoop]: trace histogram [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 02:23:05,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:23:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 02:23:05,963 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:05,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash 153233364, now seen corresponding path program 1 times [2025-01-10 02:23:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575118369] [2025-01-10 02:23:05,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:05,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:23:05,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:23:05,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:05,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:05,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142063742] [2025-01-10 02:23:05,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:05,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:05,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:05,985 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 02:23:05,987 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 02:23:06,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:23:06,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:23:06,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:06,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:06,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:23:06,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:06,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:23:06,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:06,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575118369] [2025-01-10 02:23:06,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:06,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142063742] [2025-01-10 02:23:06,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142063742] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:06,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:06,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:23:06,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607578264] [2025-01-10 02:23:06,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:06,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:23:06,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:06,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:23:06,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:06,237 INFO L87 Difference]: Start difference. First operand 150 states and 159 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:06,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:06,535 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2025-01-10 02:23:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:23:06,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2025-01-10 02:23:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:06,536 INFO L225 Difference]: With dead ends: 165 [2025-01-10 02:23:06,536 INFO L226 Difference]: Without dead ends: 137 [2025-01-10 02:23:06,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:23:06,536 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 105 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:06,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 69 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:23:06,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-01-10 02:23:06,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2025-01-10 02:23:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 130 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 144 transitions. [2025-01-10 02:23:06,542 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 144 transitions. Word has length 46 [2025-01-10 02:23:06,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:06,542 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 144 transitions. [2025-01-10 02:23:06,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2025-01-10 02:23:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:23:06,542 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:06,544 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:23:06,553 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 02:23:06,744 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,SelfDestructingSolverStorable11 [2025-01-10 02:23:06,744 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:06,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:06,746 INFO L85 PathProgramCache]: Analyzing trace with hash 360595118, now seen corresponding path program 1 times [2025-01-10 02:23:06,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:06,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849800768] [2025-01-10 02:23:06,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:06,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:06,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:23:06,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:23:06,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:06,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:06,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849800768] [2025-01-10 02:23:06,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849800768] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:06,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642409668] [2025-01-10 02:23:06,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:06,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:06,815 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 02:23:06,817 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 02:23:06,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:23:06,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:23:06,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:06,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:06,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:23:06,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:06,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:06,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642409668] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:06,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:06,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:23:06,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580294846] [2025-01-10 02:23:06,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:06,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:06,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:06,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:06,899 INFO L87 Difference]: Start difference. First operand 135 states and 144 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:06,914 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2025-01-10 02:23:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:06,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2025-01-10 02:23:06,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:06,915 INFO L225 Difference]: With dead ends: 135 [2025-01-10 02:23:06,915 INFO L226 Difference]: Without dead ends: 134 [2025-01-10 02:23:06,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 02:23:06,916 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 25 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:06,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 126 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:06,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-01-10 02:23:06,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-01-10 02:23:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 112 states have (on average 1.2142857142857142) internal successors, (136), 129 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:23:06,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2025-01-10 02:23:06,920 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 61 [2025-01-10 02:23:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:06,920 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2025-01-10 02:23:06,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2025-01-10 02:23:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 02:23:06,921 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:06,921 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:23:06,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:07,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:07,122 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:07,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1706453142, now seen corresponding path program 1 times [2025-01-10 02:23:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594871396] [2025-01-10 02:23:07,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:07,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 02:23:07,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 02:23:07,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:07,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594871396] [2025-01-10 02:23:07,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594871396] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:07,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682088209] [2025-01-10 02:23:07,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:07,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:07,214 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 02:23:07,215 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 02:23:07,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 02:23:07,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 02:23:07,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:23:07,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:07,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:07,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682088209] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:07,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:23:07,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:23:07,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507999540] [2025-01-10 02:23:07,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:07,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:23:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:07,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:23:07,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:23:07,364 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:07,398 INFO L93 Difference]: Finished difference Result 194 states and 202 transitions. [2025-01-10 02:23:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:23:07,398 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 62 [2025-01-10 02:23:07,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:07,399 INFO L225 Difference]: With dead ends: 194 [2025-01-10 02:23:07,399 INFO L226 Difference]: Without dead ends: 193 [2025-01-10 02:23:07,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:23:07,400 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:07,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 288 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-01-10 02:23:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 174. [2025-01-10 02:23:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 150 states have (on average 1.26) internal successors, (189), 167 states have internal predecessors, (189), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2025-01-10 02:23:07,406 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 62 [2025-01-10 02:23:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:07,406 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2025-01-10 02:23:07,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2025-01-10 02:23:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 02:23:07,407 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:07,407 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:07,413 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 02:23:07,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:07,611 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:07,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:07,611 INFO L85 PathProgramCache]: Analyzing trace with hash -354262210, now seen corresponding path program 1 times [2025-01-10 02:23:07,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:07,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411753753] [2025-01-10 02:23:07,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:07,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 02:23:07,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 02:23:07,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:23:07,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:07,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411753753] [2025-01-10 02:23:07,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411753753] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:07,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:07,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:07,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865503793] [2025-01-10 02:23:07,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:07,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:07,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:07,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:07,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:07,680 INFO L87 Difference]: Start difference. First operand 174 states and 199 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:07,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:07,727 INFO L93 Difference]: Finished difference Result 174 states and 199 transitions. [2025-01-10 02:23:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:23:07,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 71 [2025-01-10 02:23:07,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:07,729 INFO L225 Difference]: With dead ends: 174 [2025-01-10 02:23:07,729 INFO L226 Difference]: Without dead ends: 169 [2025-01-10 02:23:07,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:07,729 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 60 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:07,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 25 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-01-10 02:23:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2025-01-10 02:23:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 150 states have (on average 1.1933333333333334) internal successors, (179), 162 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 189 transitions. [2025-01-10 02:23:07,735 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 189 transitions. Word has length 71 [2025-01-10 02:23:07,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:07,735 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 189 transitions. [2025-01-10 02:23:07,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 189 transitions. [2025-01-10 02:23:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 02:23:07,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:07,736 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:07,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 02:23:07,736 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:07,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:07,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1902773428, now seen corresponding path program 1 times [2025-01-10 02:23:07,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:07,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681650718] [2025-01-10 02:23:07,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:07,741 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 02:23:07,745 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 02:23:07,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:23:07,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:07,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681650718] [2025-01-10 02:23:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681650718] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:07,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:07,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:23:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212673522] [2025-01-10 02:23:07,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:07,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:23:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:07,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:23:07,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:07,782 INFO L87 Difference]: Start difference. First operand 169 states and 189 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:07,831 INFO L93 Difference]: Finished difference Result 169 states and 189 transitions. [2025-01-10 02:23:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:23:07,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2025-01-10 02:23:07,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:07,833 INFO L225 Difference]: With dead ends: 169 [2025-01-10 02:23:07,833 INFO L226 Difference]: Without dead ends: 168 [2025-01-10 02:23:07,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:23:07,833 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 53 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:07,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 25 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:23:07,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-01-10 02:23:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-01-10 02:23:07,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 161 states have internal predecessors, (176), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 186 transitions. [2025-01-10 02:23:07,841 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 186 transitions. Word has length 72 [2025-01-10 02:23:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:07,841 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 186 transitions. [2025-01-10 02:23:07,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 186 transitions. [2025-01-10 02:23:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 02:23:07,841 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:07,842 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:07,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 02:23:07,842 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:07,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:07,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1090802122, now seen corresponding path program 1 times [2025-01-10 02:23:07,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:07,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048182659] [2025-01-10 02:23:07,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:07,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:23:07,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:23:07,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:23:07,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:07,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048182659] [2025-01-10 02:23:07,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048182659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:07,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828081856] [2025-01-10 02:23:07,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:07,940 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 02:23:07,943 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 02:23:07,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:23:07,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:23:07,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:07,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:07,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:07,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:23:08,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:08,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828081856] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:08,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:08,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2025-01-10 02:23:08,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483330347] [2025-01-10 02:23:08,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:08,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:08,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:08,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:08,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:23:08,135 INFO L87 Difference]: Start difference. First operand 168 states and 186 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:08,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:08,211 INFO L93 Difference]: Finished difference Result 168 states and 186 transitions. [2025-01-10 02:23:08,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:08,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2025-01-10 02:23:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:08,212 INFO L225 Difference]: With dead ends: 168 [2025-01-10 02:23:08,212 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 02:23:08,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:23:08,213 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 74 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:08,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 35 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:08,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 02:23:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-01-10 02:23:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 143 states have (on average 1.1258741258741258) internal successors, (161), 150 states have internal predecessors, (161), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 171 transitions. [2025-01-10 02:23:08,220 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 171 transitions. Word has length 74 [2025-01-10 02:23:08,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:08,220 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 171 transitions. [2025-01-10 02:23:08,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2025-01-10 02:23:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 02:23:08,220 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:08,220 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:08,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:23:08,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:08,421 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:08,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash 544872642, now seen corresponding path program 1 times [2025-01-10 02:23:08,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:08,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392493254] [2025-01-10 02:23:08,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:08,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 02:23:08,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:23:08,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:08,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:08,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326504013] [2025-01-10 02:23:08,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:08,448 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 02:23:08,449 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 02:23:08,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 02:23:08,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 02:23:08,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:08,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:08,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:08,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:08,550 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:23:08,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:08,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392493254] [2025-01-10 02:23:08,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:08,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326504013] [2025-01-10 02:23:08,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326504013] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:23:08,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:23:08,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:23:08,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542662727] [2025-01-10 02:23:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:23:08,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:08,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:08,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:08,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:08,552 INFO L87 Difference]: Start difference. First operand 157 states and 171 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:08,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:08,625 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2025-01-10 02:23:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:08,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 75 [2025-01-10 02:23:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:08,626 INFO L225 Difference]: With dead ends: 157 [2025-01-10 02:23:08,626 INFO L226 Difference]: Without dead ends: 148 [2025-01-10 02:23:08,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:23:08,626 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 43 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:08,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 51 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:08,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-01-10 02:23:08,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2025-01-10 02:23:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 136 states have (on average 1.088235294117647) internal successors, (148), 141 states have internal predecessors, (148), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2025-01-10 02:23:08,633 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 75 [2025-01-10 02:23:08,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:08,633 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2025-01-10 02:23:08,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2025-01-10 02:23:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-01-10 02:23:08,633 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:08,633 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:08,639 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 02:23:08,834 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,SelfDestructingSolverStorable17 [2025-01-10 02:23:08,835 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -288817224, now seen corresponding path program 1 times [2025-01-10 02:23:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:08,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791080334] [2025-01-10 02:23:08,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:08,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:08,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 02:23:08,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 02:23:08,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:08,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:08,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612646693] [2025-01-10 02:23:08,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:08,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:08,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:08,851 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 02:23:08,856 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 02:23:08,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 02:23:08,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 02:23:08,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:08,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:08,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:23:08,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:23:08,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:09,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:09,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791080334] [2025-01-10 02:23:09,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:09,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612646693] [2025-01-10 02:23:09,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612646693] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:23:09,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:23:09,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:23:09,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502852190] [2025-01-10 02:23:09,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:09,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:23:09,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:09,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:23:09,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:23:09,029 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:09,106 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2025-01-10 02:23:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:23:09,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 76 [2025-01-10 02:23:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:09,108 INFO L225 Difference]: With dead ends: 149 [2025-01-10 02:23:09,108 INFO L226 Difference]: Without dead ends: 148 [2025-01-10 02:23:09,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 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 02:23:09,109 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:09,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 60 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:23:09,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-01-10 02:23:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2025-01-10 02:23:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 136 states have (on average 1.0808823529411764) internal successors, (147), 141 states have internal predecessors, (147), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 157 transitions. [2025-01-10 02:23:09,115 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 157 transitions. Word has length 76 [2025-01-10 02:23:09,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:09,116 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 157 transitions. [2025-01-10 02:23:09,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:09,116 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2025-01-10 02:23:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 02:23:09,116 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:09,116 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:09,128 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 02:23:09,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:09,317 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:09,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1005273940, now seen corresponding path program 1 times [2025-01-10 02:23:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:09,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681461267] [2025-01-10 02:23:09,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:09,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:09,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 02:23:09,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 02:23:09,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:09,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:09,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630275836] [2025-01-10 02:23:09,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:09,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:09,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:09,337 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 02:23:09,338 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 02:23:09,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 02:23:09,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 02:23:09,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:09,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:09,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:23:09,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:23:09,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:23:09,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681461267] [2025-01-10 02:23:09,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:09,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630275836] [2025-01-10 02:23:09,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630275836] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:09,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:09,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 02:23:09,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705056202] [2025-01-10 02:23:09,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:09,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:23:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:09,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:23:09,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:23:09,612 INFO L87 Difference]: Start difference. First operand 148 states and 157 transitions. Second operand has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:23:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:09,808 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2025-01-10 02:23:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:23:09,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 98 [2025-01-10 02:23:09,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:09,809 INFO L225 Difference]: With dead ends: 163 [2025-01-10 02:23:09,809 INFO L226 Difference]: Without dead ends: 161 [2025-01-10 02:23:09,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:23:09,810 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 75 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:09,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 162 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:23:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-01-10 02:23:09,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 147. [2025-01-10 02:23:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 136 states have (on average 1.0588235294117647) internal successors, (144), 140 states have internal predecessors, (144), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:23:09,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2025-01-10 02:23:09,825 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 98 [2025-01-10 02:23:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:09,825 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2025-01-10 02:23:09,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.444444444444443) internal successors, (166), 10 states have internal predecessors, (166), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:23:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2025-01-10 02:23:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 02:23:09,826 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:09,826 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-01-10 02:23:09,832 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 02:23:10,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:10,027 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:23:10,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:10,027 INFO L85 PathProgramCache]: Analyzing trace with hash -299382122, now seen corresponding path program 1 times [2025-01-10 02:23:10,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:10,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33980089] [2025-01-10 02:23:10,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:10,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:10,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:23:10,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:23:10,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:10,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:10,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224533539] [2025-01-10 02:23:10,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:23:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:10,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:10,048 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 02:23:10,050 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 02:23:10,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:23:10,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:23:10,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:23:10,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:10,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:23:10,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:23:10,314 INFO L312 TraceCheckSpWp]: Computing backward predicates...