./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:46:44,952 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:46:45,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:46:45,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:46:45,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:46:45,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:46:45,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:46:45,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:46:45,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:46:45,070 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:46:45,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:46:45,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:46:45,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:46:45,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:46:45,072 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:46:45,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:46:45,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:46:45,074 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:46:45,075 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:45,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:46:45,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:46:45,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:46:45,077 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 -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2025-02-08 09:46:45,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:46:45,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:46:45,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:46:45,406 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:46:45,406 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:46:45,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2025-02-08 09:46:46,706 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c8edbb484/a1694fa93f804b758e057ab562f57d28/FLAG490701f50 [2025-02-08 09:46:46,973 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:46:46,974 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2025-02-08 09:46:46,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c8edbb484/a1694fa93f804b758e057ab562f57d28/FLAG490701f50 [2025-02-08 09:46:46,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c8edbb484/a1694fa93f804b758e057ab562f57d28 [2025-02-08 09:46:46,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:46:46,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:46:47,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:47,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:46:47,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:46:47,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:46" (1/1) ... [2025-02-08 09:46:47,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36715a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47, skipping insertion in model container [2025-02-08 09:46:47,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:46" (1/1) ... [2025-02-08 09:46:47,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:46:47,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:47,199 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:46:47,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:47,238 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:46:47,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47 WrapperNode [2025-02-08 09:46:47,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:47,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:47,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:46:47,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:46:47,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,277 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-02-08 09:46:47,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:47,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:46:47,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:46:47,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:46:47,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,308 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:46:47,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,314 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:46:47,327 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:46:47,330 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:46:47,331 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:46:47,332 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (1/1) ... [2025-02-08 09:46:47,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:47,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:47,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:46:47,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:46:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:46:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:46:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:46:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:46:47,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:46:47,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:46:47,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:46:47,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:46:47,447 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:46:47,449 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:46:47,766 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-08 09:46:47,766 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:46:47,777 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:46:47,777 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:46:47,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:47 BoogieIcfgContainer [2025-02-08 09:46:47,780 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:46:47,782 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:46:47,782 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:46:47,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:46:47,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:46:46" (1/3) ... [2025-02-08 09:46:47,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ba979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:47, skipping insertion in model container [2025-02-08 09:46:47,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:47" (2/3) ... [2025-02-08 09:46:47,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e4ba979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:47, skipping insertion in model container [2025-02-08 09:46:47,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:47" (3/3) ... [2025-02-08 09:46:47,789 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2025-02-08 09:46:47,799 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:46:47,801 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound5.c that has 3 procedures, 109 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-02-08 09:46:47,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:46:47,870 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;@65d0823c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:46:47,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-08 09:46:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 100 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:46:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:46:47,881 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:47,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash -161748381, now seen corresponding path program 1 times [2025-02-08 09:46:47,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:47,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384190784] [2025-02-08 09:46:47,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:47,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:47,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:47,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:48,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384190784] [2025-02-08 09:46:48,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384190784] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:48,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470375796] [2025-02-08 09:46:48,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:48,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:48,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:46:48,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:48,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:48,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:46:48,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:48,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:48,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470375796] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:48,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:48,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:46:48,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776350067] [2025-02-08 09:46:48,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:46:48,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:46:48,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:48,130 INFO L87 Difference]: Start difference. First operand has 109 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 100 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:48,150 INFO L93 Difference]: Finished difference Result 216 states and 241 transitions. [2025-02-08 09:46:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:46:48,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-02-08 09:46:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:48,158 INFO L225 Difference]: With dead ends: 216 [2025-02-08 09:46:48,158 INFO L226 Difference]: Without dead ends: 105 [2025-02-08 09:46:48,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:48,164 INFO L435 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:48,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:48,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-02-08 09:46:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-02-08 09:46:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.8035714285714286) internal successors, (101), 97 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2025-02-08 09:46:48,205 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 20 [2025-02-08 09:46:48,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:48,207 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2025-02-08 09:46:48,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2025-02-08 09:46:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:46:48,209 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:48,209 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:48,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:46:48,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:46:48,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:48,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash -576760892, now seen corresponding path program 1 times [2025-02-08 09:46:48,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:48,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147264116] [2025-02-08 09:46:48,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:48,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:48,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:48,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:48,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1173535360] [2025-02-08 09:46:48,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:48,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:48,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:48,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:46:48,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:46:48,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:46:48,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:48,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:48,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:46:48,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:48,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:48,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147264116] [2025-02-08 09:46:48,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173535360] [2025-02-08 09:46:48,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173535360] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:48,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:48,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:46:48,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323092922] [2025-02-08 09:46:48,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:48,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:48,872 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:49,216 INFO L93 Difference]: Finished difference Result 143 states and 167 transitions. [2025-02-08 09:46:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:49,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-02-08 09:46:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:49,218 INFO L225 Difference]: With dead ends: 143 [2025-02-08 09:46:49,218 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 09:46:49,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:49,219 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 156 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:49,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 215 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:49,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 09:46:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2025-02-08 09:46:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.705128205128205) internal successors, (133), 117 states have internal predecessors, (133), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:46:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2025-02-08 09:46:49,230 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 20 [2025-02-08 09:46:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,231 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2025-02-08 09:46:49,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2025-02-08 09:46:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:46:49,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,232 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:49,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:46:49,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:49,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:49,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:49,434 INFO L85 PathProgramCache]: Analyzing trace with hash -699718406, now seen corresponding path program 1 times [2025-02-08 09:46:49,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:49,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750867899] [2025-02-08 09:46:49,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:49,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:46:49,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:46:49,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:49,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:49,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175357946] [2025-02-08 09:46:49,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:49,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:49,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:46:49,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:46:49,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:46:49,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:49,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:49,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:49,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:49,620 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:49,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750867899] [2025-02-08 09:46:49,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175357946] [2025-02-08 09:46:49,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175357946] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:49,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:49,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541959822] [2025-02-08 09:46:49,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:49,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:49,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:49,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:49,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:49,621 INFO L87 Difference]: Start difference. First operand 127 states and 147 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2025-02-08 09:46:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:49,935 INFO L93 Difference]: Finished difference Result 174 states and 213 transitions. [2025-02-08 09:46:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:49,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 21 [2025-02-08 09:46:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:49,937 INFO L225 Difference]: With dead ends: 174 [2025-02-08 09:46:49,937 INFO L226 Difference]: Without dead ends: 157 [2025-02-08 09:46:49,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:49,939 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 305 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:49,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 196 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:49,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-02-08 09:46:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2025-02-08 09:46:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.619047619047619) internal successors, (170), 142 states have internal predecessors, (170), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 186 transitions. [2025-02-08 09:46:49,962 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 186 transitions. Word has length 21 [2025-02-08 09:46:49,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,963 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 186 transitions. [2025-02-08 09:46:49,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2025-02-08 09:46:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2025-02-08 09:46:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-08 09:46:49,964 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,964 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:49,973 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 [2025-02-08 09:46:50,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:50,165 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:50,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:50,166 INFO L85 PathProgramCache]: Analyzing trace with hash -216434046, now seen corresponding path program 1 times [2025-02-08 09:46:50,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:50,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472550900] [2025-02-08 09:46:50,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:50,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:46:50,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:46:50,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:50,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195470274] [2025-02-08 09:46:50,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:50,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:50,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:46:50,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 09:46:50,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 09:46:50,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:50,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:46:50,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:50,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:50,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:50,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472550900] [2025-02-08 09:46:50,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:50,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195470274] [2025-02-08 09:46:50,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195470274] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:50,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:50,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:46:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361024295] [2025-02-08 09:46:50,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:50,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:50,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:50,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:50,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:50,668 INFO L87 Difference]: Start difference. First operand 153 states and 186 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:50,911 INFO L93 Difference]: Finished difference Result 160 states and 192 transitions. [2025-02-08 09:46:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:50,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2025-02-08 09:46:50,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:50,913 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:46:50,913 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:46:50,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:50,915 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 136 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:50,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 241 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:50,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:46:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2025-02-08 09:46:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6095238095238096) internal successors, (169), 142 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 185 transitions. [2025-02-08 09:46:50,936 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 185 transitions. Word has length 22 [2025-02-08 09:46:50,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:50,936 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 185 transitions. [2025-02-08 09:46:50,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 185 transitions. [2025-02-08 09:46:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-08 09:46:50,937 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:50,937 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:50,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:51,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,141 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:51,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:51,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1880479224, now seen corresponding path program 1 times [2025-02-08 09:46:51,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515670413] [2025-02-08 09:46:51,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:51,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 09:46:51,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 09:46:51,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612721300] [2025-02-08 09:46:51,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:51,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:51,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:46:51,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 09:46:51,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 09:46:51,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:51,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:46:51,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:51,382 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:51,382 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:51,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:51,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515670413] [2025-02-08 09:46:51,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:51,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612721300] [2025-02-08 09:46:51,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612721300] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:51,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:51,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:51,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290405299] [2025-02-08 09:46:51,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:51,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:51,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:51,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:51,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:51,384 INFO L87 Difference]: Start difference. First operand 153 states and 185 transitions. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2025-02-08 09:46:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:51,663 INFO L93 Difference]: Finished difference Result 160 states and 191 transitions. [2025-02-08 09:46:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:46:51,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) Word has length 23 [2025-02-08 09:46:51,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:51,665 INFO L225 Difference]: With dead ends: 160 [2025-02-08 09:46:51,665 INFO L226 Difference]: Without dead ends: 159 [2025-02-08 09:46:51,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:51,669 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 251 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:51,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 244 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-02-08 09:46:51,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2025-02-08 09:46:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 105 states have (on average 1.6) internal successors, (168), 142 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 184 transitions. [2025-02-08 09:46:51,686 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 184 transitions. Word has length 23 [2025-02-08 09:46:51,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:51,686 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 184 transitions. [2025-02-08 09:46:51,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2025-02-08 09:46:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2025-02-08 09:46:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:46:51,687 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:51,687 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:51,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:51,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:51,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:51,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1834686144, now seen corresponding path program 1 times [2025-02-08 09:46:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:51,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833191133] [2025-02-08 09:46:51,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:51,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:46:51,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:46:51,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:51,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:51,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833191133] [2025-02-08 09:46:51,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833191133] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:51,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:51,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:51,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978069210] [2025-02-08 09:46:51,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:51,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:51,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:51,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:51,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:51,998 INFO L87 Difference]: Start difference. First operand 153 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:52,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:52,175 INFO L93 Difference]: Finished difference Result 222 states and 265 transitions. [2025-02-08 09:46:52,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:52,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-02-08 09:46:52,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:52,178 INFO L225 Difference]: With dead ends: 222 [2025-02-08 09:46:52,178 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 09:46:52,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:52,179 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 81 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:52,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 164 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 09:46:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 171. [2025-02-08 09:46:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 122 states have (on average 1.5819672131147542) internal successors, (193), 159 states have internal predecessors, (193), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:46:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 211 transitions. [2025-02-08 09:46:52,198 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 211 transitions. Word has length 24 [2025-02-08 09:46:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:52,199 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 211 transitions. [2025-02-08 09:46:52,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 211 transitions. [2025-02-08 09:46:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-08 09:46:52,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:52,199 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:52,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:46:52,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:52,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:52,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1040695562, now seen corresponding path program 1 times [2025-02-08 09:46:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:52,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389210052] [2025-02-08 09:46:52,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:52,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:52,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 09:46:52,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 09:46:52,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:52,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:52,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:52,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389210052] [2025-02-08 09:46:52,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389210052] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:52,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:52,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775826756] [2025-02-08 09:46:52,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:52,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:52,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:52,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:52,306 INFO L87 Difference]: Start difference. First operand 171 states and 211 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:52,728 INFO L93 Difference]: Finished difference Result 222 states and 263 transitions. [2025-02-08 09:46:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:52,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-02-08 09:46:52,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:52,732 INFO L225 Difference]: With dead ends: 222 [2025-02-08 09:46:52,732 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 09:46:52,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:52,734 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 58 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:52,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 189 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:52,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 09:46:52,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 171. [2025-02-08 09:46:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 122 states have (on average 1.5655737704918034) internal successors, (191), 159 states have internal predecessors, (191), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:46:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 209 transitions. [2025-02-08 09:46:52,746 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 209 transitions. Word has length 25 [2025-02-08 09:46:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:52,749 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 209 transitions. [2025-02-08 09:46:52,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:46:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 209 transitions. [2025-02-08 09:46:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:52,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:52,750 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:52,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:46:52,750 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:52,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:52,750 INFO L85 PathProgramCache]: Analyzing trace with hash -361937316, now seen corresponding path program 1 times [2025-02-08 09:46:52,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:52,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725394910] [2025-02-08 09:46:52,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:52,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:52,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:52,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:52,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:52,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:52,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542230274] [2025-02-08 09:46:52,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:52,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:52,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:52,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:52,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:46:52,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:52,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:52,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:52,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:52,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:52,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:52,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:52,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725394910] [2025-02-08 09:46:52,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:52,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542230274] [2025-02-08 09:46:52,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542230274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:52,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:52,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:52,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452697224] [2025-02-08 09:46:52,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:52,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:52,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:52,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:52,914 INFO L87 Difference]: Start difference. First operand 171 states and 209 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,092 INFO L93 Difference]: Finished difference Result 228 states and 287 transitions. [2025-02-08 09:46:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:53,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2025-02-08 09:46:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,094 INFO L225 Difference]: With dead ends: 228 [2025-02-08 09:46:53,094 INFO L226 Difference]: Without dead ends: 222 [2025-02-08 09:46:53,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:53,095 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 156 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 122 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-08 09:46:53,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 208. [2025-02-08 09:46:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 158 states have (on average 1.5632911392405062) internal successors, (247), 195 states have internal predecessors, (247), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:46:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 267 transitions. [2025-02-08 09:46:53,119 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 267 transitions. Word has length 38 [2025-02-08 09:46:53,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:53,119 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 267 transitions. [2025-02-08 09:46:53,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 267 transitions. [2025-02-08 09:46:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:53,122 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:53,122 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:53,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:46:53,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 09:46:53,323 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:53,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1664845089, now seen corresponding path program 1 times [2025-02-08 09:46:53,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:53,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154170544] [2025-02-08 09:46:53,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:53,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:53,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:53,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:53,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581447933] [2025-02-08 09:46:53,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:53,349 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:53,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:46:53,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:53,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:53,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:53,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:53,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:53,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:53,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:53,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154170544] [2025-02-08 09:46:53,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581447933] [2025-02-08 09:46:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581447933] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820928740] [2025-02-08 09:46:53,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:53,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:53,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:53,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:53,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:53,469 INFO L87 Difference]: Start difference. First operand 208 states and 267 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,679 INFO L93 Difference]: Finished difference Result 303 states and 412 transitions. [2025-02-08 09:46:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:53,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2025-02-08 09:46:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,682 INFO L225 Difference]: With dead ends: 303 [2025-02-08 09:46:53,682 INFO L226 Difference]: Without dead ends: 297 [2025-02-08 09:46:53,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:53,684 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 198 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 90 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2025-02-08 09:46:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 279. [2025-02-08 09:46:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.5991189427312775) internal successors, (363), 264 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 387 transitions. [2025-02-08 09:46:53,696 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 387 transitions. Word has length 39 [2025-02-08 09:46:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:53,696 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 387 transitions. [2025-02-08 09:46:53,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2025-02-08 09:46:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:53,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:53,697 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:53,705 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 [2025-02-08 09:46:53,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:53,898 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:53,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:53,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1666914570, now seen corresponding path program 1 times [2025-02-08 09:46:53,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:53,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492471573] [2025-02-08 09:46:53,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:53,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:53,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:53,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:53,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542859247] [2025-02-08 09:46:53,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:53,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:53,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:53,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:46:53,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:53,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:53,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:53,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:53,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:53,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:54,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:54,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492471573] [2025-02-08 09:46:54,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:54,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542859247] [2025-02-08 09:46:54,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542859247] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:54,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:54,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:54,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246640831] [2025-02-08 09:46:54,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:54,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:54,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:54,060 INFO L87 Difference]: Start difference. First operand 279 states and 387 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:54,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:54,245 INFO L93 Difference]: Finished difference Result 286 states and 392 transitions. [2025-02-08 09:46:54,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:54,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-02-08 09:46:54,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:54,248 INFO L225 Difference]: With dead ends: 286 [2025-02-08 09:46:54,248 INFO L226 Difference]: Without dead ends: 285 [2025-02-08 09:46:54,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:54,248 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 142 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:54,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 121 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:54,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-02-08 09:46:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 279. [2025-02-08 09:46:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.5947136563876652) internal successors, (362), 264 states have internal predecessors, (362), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 386 transitions. [2025-02-08 09:46:54,261 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 386 transitions. Word has length 39 [2025-02-08 09:46:54,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:54,261 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 386 transitions. [2025-02-08 09:46:54,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:54,261 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 386 transitions. [2025-02-08 09:46:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:46:54,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:54,262 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:54,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:46:54,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:54,463 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:54,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,463 INFO L85 PathProgramCache]: Analyzing trace with hash 70590202, now seen corresponding path program 1 times [2025-02-08 09:46:54,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134570000] [2025-02-08 09:46:54,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:54,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:54,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:54,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134570000] [2025-02-08 09:46:54,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134570000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:54,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:54,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:54,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650148907] [2025-02-08 09:46:54,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:54,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:54,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:54,588 INFO L87 Difference]: Start difference. First operand 279 states and 386 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:54,764 INFO L93 Difference]: Finished difference Result 349 states and 470 transitions. [2025-02-08 09:46:54,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:54,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-08 09:46:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:54,767 INFO L225 Difference]: With dead ends: 349 [2025-02-08 09:46:54,767 INFO L226 Difference]: Without dead ends: 348 [2025-02-08 09:46:54,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:54,767 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 50 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:54,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 213 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:54,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-08 09:46:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2025-02-08 09:46:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 273 states have internal predecessors, (374), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 398 transitions. [2025-02-08 09:46:54,784 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 398 transitions. Word has length 40 [2025-02-08 09:46:54,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:54,784 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 398 transitions. [2025-02-08 09:46:54,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 398 transitions. [2025-02-08 09:46:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:46:54,785 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:54,786 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:54,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:46:54,786 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:54,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,786 INFO L85 PathProgramCache]: Analyzing trace with hash 134744127, now seen corresponding path program 1 times [2025-02-08 09:46:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393102437] [2025-02-08 09:46:54,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:54,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:54,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:54,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1360989792] [2025-02-08 09:46:54,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:54,804 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:54,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:46:54,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:46:54,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:46:54,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:54,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:54,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:54,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393102437] [2025-02-08 09:46:54,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360989792] [2025-02-08 09:46:54,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360989792] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:54,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:54,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281652811] [2025-02-08 09:46:54,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:54,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:54,931 INFO L87 Difference]: Start difference. First operand 288 states and 398 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:55,121 INFO L93 Difference]: Finished difference Result 304 states and 410 transitions. [2025-02-08 09:46:55,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:55,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-08 09:46:55,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:55,124 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:46:55,124 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:46:55,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:55,124 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 189 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:55,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 91 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:46:55,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 285. [2025-02-08 09:46:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 233 states have (on average 1.55793991416309) internal successors, (363), 270 states have internal predecessors, (363), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 387 transitions. [2025-02-08 09:46:55,137 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 387 transitions. Word has length 40 [2025-02-08 09:46:55,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:55,138 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 387 transitions. [2025-02-08 09:46:55,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 387 transitions. [2025-02-08 09:46:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:55,138 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:55,139 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:55,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:46:55,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:55,339 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:55,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2106671041, now seen corresponding path program 1 times [2025-02-08 09:46:55,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:55,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110467765] [2025-02-08 09:46:55,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:55,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:55,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:55,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:55,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:55,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:55,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110467765] [2025-02-08 09:46:55,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110467765] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:55,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:55,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:55,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134943280] [2025-02-08 09:46:55,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:55,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:55,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:55,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:55,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:55,484 INFO L87 Difference]: Start difference. First operand 285 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:55,849 INFO L93 Difference]: Finished difference Result 347 states and 457 transitions. [2025-02-08 09:46:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:55,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-08 09:46:55,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:55,851 INFO L225 Difference]: With dead ends: 347 [2025-02-08 09:46:55,851 INFO L226 Difference]: Without dead ends: 346 [2025-02-08 09:46:55,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:55,852 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 49 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:55,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 207 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-02-08 09:46:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 287. [2025-02-08 09:46:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 235 states have (on average 1.553191489361702) internal successors, (365), 272 states have internal predecessors, (365), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 389 transitions. [2025-02-08 09:46:55,864 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 389 transitions. Word has length 41 [2025-02-08 09:46:55,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:55,865 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 389 transitions. [2025-02-08 09:46:55,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 389 transitions. [2025-02-08 09:46:55,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:55,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:55,866 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:55,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:46:55,866 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:55,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:55,867 INFO L85 PathProgramCache]: Analyzing trace with hash -117899352, now seen corresponding path program 1 times [2025-02-08 09:46:55,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:55,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924455943] [2025-02-08 09:46:55,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:55,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:55,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:55,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:55,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:55,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:55,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:55,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924455943] [2025-02-08 09:46:55,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924455943] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:55,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:55,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:55,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370371257] [2025-02-08 09:46:55,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:55,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:55,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:55,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:55,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:55,947 INFO L87 Difference]: Start difference. First operand 287 states and 389 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:56,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:56,097 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2025-02-08 09:46:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:56,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-08 09:46:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:56,100 INFO L225 Difference]: With dead ends: 347 [2025-02-08 09:46:56,100 INFO L226 Difference]: Without dead ends: 346 [2025-02-08 09:46:56,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:56,101 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 49 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:56,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 231 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:56,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-02-08 09:46:56,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 297. [2025-02-08 09:46:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 245 states have (on average 1.546938775510204) internal successors, (379), 282 states have internal predecessors, (379), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 403 transitions. [2025-02-08 09:46:56,113 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 403 transitions. Word has length 41 [2025-02-08 09:46:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:56,113 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 403 transitions. [2025-02-08 09:46:56,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 403 transitions. [2025-02-08 09:46:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:56,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:56,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:56,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:46:56,115 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:56,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash -66366881, now seen corresponding path program 1 times [2025-02-08 09:46:56,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:56,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976076602] [2025-02-08 09:46:56,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:56,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:56,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:56,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:56,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:56,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976076602] [2025-02-08 09:46:56,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976076602] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:56,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:56,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:56,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232940417] [2025-02-08 09:46:56,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:56,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:56,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:56,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:56,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:56,266 INFO L87 Difference]: Start difference. First operand 297 states and 403 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:56,606 INFO L93 Difference]: Finished difference Result 398 states and 562 transitions. [2025-02-08 09:46:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:56,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-02-08 09:46:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:56,608 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:46:56,609 INFO L226 Difference]: Without dead ends: 396 [2025-02-08 09:46:56,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:56,609 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 434 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:56,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 94 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:56,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-08 09:46:56,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 303. [2025-02-08 09:46:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 251 states have (on average 1.5378486055776892) internal successors, (386), 288 states have internal predecessors, (386), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 410 transitions. [2025-02-08 09:46:56,623 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 410 transitions. Word has length 41 [2025-02-08 09:46:56,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:56,623 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 410 transitions. [2025-02-08 09:46:56,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 410 transitions. [2025-02-08 09:46:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:56,624 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:56,624 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:56,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:46:56,625 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:56,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash 539022173, now seen corresponding path program 1 times [2025-02-08 09:46:56,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:56,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532122288] [2025-02-08 09:46:56,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:56,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:56,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:56,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:56,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:56,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64104726] [2025-02-08 09:46:56,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:56,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:56,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:56,659 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:56,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:46:56,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:56,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:56,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:56,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:56,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:56,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:46:56,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:58,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:58,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532122288] [2025-02-08 09:46:58,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:58,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64104726] [2025-02-08 09:46:58,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64104726] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:58,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:58,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:46:58,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072125049] [2025-02-08 09:46:58,556 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:58,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:46:58,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:58,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:46:58,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:58,559 INFO L87 Difference]: Start difference. First operand 303 states and 410 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:58,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:58,929 INFO L93 Difference]: Finished difference Result 315 states and 417 transitions. [2025-02-08 09:46:58,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:46:58,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-08 09:46:58,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:58,931 INFO L225 Difference]: With dead ends: 315 [2025-02-08 09:46:58,931 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 09:46:58,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:58,932 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 260 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:58,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 272 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 09:46:58,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2025-02-08 09:46:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 251 states have (on average 1.5219123505976095) internal successors, (382), 288 states have internal predecessors, (382), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 406 transitions. [2025-02-08 09:46:58,944 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 406 transitions. Word has length 42 [2025-02-08 09:46:58,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:58,944 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 406 transitions. [2025-02-08 09:46:58,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:58,944 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 406 transitions. [2025-02-08 09:46:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:58,945 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:58,945 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:58,952 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 [2025-02-08 09:46:59,145 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,SelfDestructingSolverStorable15 [2025-02-08 09:46:59,145 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:59,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:59,146 INFO L85 PathProgramCache]: Analyzing trace with hash 640087389, now seen corresponding path program 1 times [2025-02-08 09:46:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:59,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329113814] [2025-02-08 09:46:59,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:59,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:59,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:59,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:59,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:59,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:59,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329113814] [2025-02-08 09:46:59,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329113814] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:59,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:59,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:59,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446345923] [2025-02-08 09:46:59,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:59,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:59,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:59,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:59,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:59,264 INFO L87 Difference]: Start difference. First operand 303 states and 406 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:59,575 INFO L93 Difference]: Finished difference Result 339 states and 442 transitions. [2025-02-08 09:46:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-08 09:46:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:59,577 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:46:59,577 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:46:59,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:59,578 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 41 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:59,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 225 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:46:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2025-02-08 09:46:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 253 states have (on average 1.517786561264822) internal successors, (384), 290 states have internal predecessors, (384), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:46:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 408 transitions. [2025-02-08 09:46:59,591 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 408 transitions. Word has length 42 [2025-02-08 09:46:59,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:59,591 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 408 transitions. [2025-02-08 09:46:59,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:46:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 408 transitions. [2025-02-08 09:46:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:46:59,592 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:59,592 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:59,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:46:59,592 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:46:59,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:59,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2057373282, now seen corresponding path program 1 times [2025-02-08 09:46:59,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:59,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657914380] [2025-02-08 09:46:59,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:59,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:59,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:46:59,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:46:59,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:59,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:46:59,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:59,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657914380] [2025-02-08 09:46:59,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657914380] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:59,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:59,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:59,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977350916] [2025-02-08 09:46:59,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:59,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:59,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:59,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:59,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:59,713 INFO L87 Difference]: Start difference. First operand 305 states and 408 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:46:59,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:59,996 INFO L93 Difference]: Finished difference Result 316 states and 420 transitions. [2025-02-08 09:46:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-08 09:46:59,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:59,998 INFO L225 Difference]: With dead ends: 316 [2025-02-08 09:46:59,998 INFO L226 Difference]: Without dead ends: 314 [2025-02-08 09:46:59,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:46:59,999 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 419 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:00,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 89 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-08 09:47:00,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 305. [2025-02-08 09:47:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 253 states have (on average 1.5059288537549407) internal successors, (381), 290 states have internal predecessors, (381), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:00,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 405 transitions. [2025-02-08 09:47:00,015 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 405 transitions. Word has length 42 [2025-02-08 09:47:00,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:00,015 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 405 transitions. [2025-02-08 09:47:00,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 405 transitions. [2025-02-08 09:47:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:47:00,016 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:00,016 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:00,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:47:00,016 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:00,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:00,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1581271875, now seen corresponding path program 1 times [2025-02-08 09:47:00,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:00,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067973754] [2025-02-08 09:47:00,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:00,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:47:00,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:47:00,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:00,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899760195] [2025-02-08 09:47:00,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:00,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:00,048 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:00,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:47:00,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:47:00,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:47:00,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:00,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:47:00,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:00,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:00,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067973754] [2025-02-08 09:47:00,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:00,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899760195] [2025-02-08 09:47:00,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899760195] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:00,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:00,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-08 09:47:00,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046559176] [2025-02-08 09:47:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:00,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:00,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:00,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:00,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:47:00,203 INFO L87 Difference]: Start difference. First operand 305 states and 405 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:00,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:00,701 INFO L93 Difference]: Finished difference Result 318 states and 415 transitions. [2025-02-08 09:47:00,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:47:00,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-08 09:47:00,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:00,704 INFO L225 Difference]: With dead ends: 318 [2025-02-08 09:47:00,704 INFO L226 Difference]: Without dead ends: 312 [2025-02-08 09:47:00,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:47:00,705 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 165 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:00,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 267 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:00,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-08 09:47:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 307. [2025-02-08 09:47:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 255 states have (on average 1.4705882352941178) internal successors, (375), 291 states have internal predecessors, (375), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:47:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2025-02-08 09:47:00,718 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 401 transitions. Word has length 43 [2025-02-08 09:47:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:00,718 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 401 transitions. [2025-02-08 09:47:00,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 401 transitions. [2025-02-08 09:47:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:47:00,718 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:00,719 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:00,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:00,919 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 [2025-02-08 09:47:00,919 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:00,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:00,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1690732581, now seen corresponding path program 1 times [2025-02-08 09:47:00,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:00,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32475259] [2025-02-08 09:47:00,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:00,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:00,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:00,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:00,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138254547] [2025-02-08 09:47:00,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:00,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:00,943 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:00,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:47:00,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:00,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:00,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:00,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:47:00,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:01,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:03,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32475259] [2025-02-08 09:47:03,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:03,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138254547] [2025-02-08 09:47:03,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138254547] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:03,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:03,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:03,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022114353] [2025-02-08 09:47:03,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:03,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:03,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:03,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:03,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:03,646 INFO L87 Difference]: Start difference. First operand 307 states and 401 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:04,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:04,222 INFO L93 Difference]: Finished difference Result 398 states and 534 transitions. [2025-02-08 09:47:04,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:47:04,223 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-02-08 09:47:04,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:04,224 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:47:04,224 INFO L226 Difference]: Without dead ends: 378 [2025-02-08 09:47:04,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=185, Invalid=367, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:47:04,225 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 321 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:04,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 227 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:04,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-08 09:47:04,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 352. [2025-02-08 09:47:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 298 states have (on average 1.4563758389261745) internal successors, (434), 334 states have internal predecessors, (434), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 464 transitions. [2025-02-08 09:47:04,242 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 464 transitions. Word has length 44 [2025-02-08 09:47:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:04,243 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 464 transitions. [2025-02-08 09:47:04,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 464 transitions. [2025-02-08 09:47:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:47:04,243 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:04,244 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:04,252 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 [2025-02-08 09:47:04,449 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 [2025-02-08 09:47:04,449 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:04,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1774787807, now seen corresponding path program 1 times [2025-02-08 09:47:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905273576] [2025-02-08 09:47:04,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:04,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:04,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:04,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:04,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795396902] [2025-02-08 09:47:04,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:04,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:04,470 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:04,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:47:04,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:04,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:04,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:04,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:47:04,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:05,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:06,154 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:06,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:06,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905273576] [2025-02-08 09:47:06,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:06,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795396902] [2025-02-08 09:47:06,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795396902] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:06,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:06,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2025-02-08 09:47:06,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661475965] [2025-02-08 09:47:06,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:06,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:47:06,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:06,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:47:06,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:47:06,157 INFO L87 Difference]: Start difference. First operand 352 states and 464 transitions. Second operand has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:07,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:07,222 INFO L93 Difference]: Finished difference Result 368 states and 488 transitions. [2025-02-08 09:47:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:07,223 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-08 09:47:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:07,224 INFO L225 Difference]: With dead ends: 368 [2025-02-08 09:47:07,225 INFO L226 Difference]: Without dead ends: 361 [2025-02-08 09:47:07,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:47:07,226 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 109 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:07,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 99 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:47:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-08 09:47:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 337. [2025-02-08 09:47:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 287 states have (on average 1.4494773519163764) internal successors, (416), 322 states have internal predecessors, (416), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 440 transitions. [2025-02-08 09:47:07,244 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 440 transitions. Word has length 44 [2025-02-08 09:47:07,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:07,244 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 440 transitions. [2025-02-08 09:47:07,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 10 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 440 transitions. [2025-02-08 09:47:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:47:07,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:07,245 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:07,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:07,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:07,445 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:07,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:07,446 INFO L85 PathProgramCache]: Analyzing trace with hash 943659611, now seen corresponding path program 1 times [2025-02-08 09:47:07,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:07,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128014633] [2025-02-08 09:47:07,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:07,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:07,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:07,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:07,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2131349670] [2025-02-08 09:47:07,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:07,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:07,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:07,464 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:07,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:47:07,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:47:07,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:47:07,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:07,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:07,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:47:07,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:07,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128014633] [2025-02-08 09:47:07,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:07,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131349670] [2025-02-08 09:47:07,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131349670] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:07,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:07,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:07,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141763733] [2025-02-08 09:47:07,763 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:07,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:07,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:07,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:07,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:47:07,764 INFO L87 Difference]: Start difference. First operand 337 states and 440 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:08,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:08,240 INFO L93 Difference]: Finished difference Result 397 states and 524 transitions. [2025-02-08 09:47:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:08,241 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-02-08 09:47:08,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:08,242 INFO L225 Difference]: With dead ends: 397 [2025-02-08 09:47:08,242 INFO L226 Difference]: Without dead ends: 382 [2025-02-08 09:47:08,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:47:08,244 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 288 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:08,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 253 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:08,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-08 09:47:08,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 366. [2025-02-08 09:47:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 315 states have (on average 1.4412698412698413) internal successors, (454), 350 states have internal predecessors, (454), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:47:08,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 480 transitions. [2025-02-08 09:47:08,259 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 480 transitions. Word has length 44 [2025-02-08 09:47:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:08,260 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 480 transitions. [2025-02-08 09:47:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 480 transitions. [2025-02-08 09:47:08,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:08,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:08,260 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:08,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:08,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-08 09:47:08,461 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:08,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash -873102401, now seen corresponding path program 1 times [2025-02-08 09:47:08,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:08,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394659100] [2025-02-08 09:47:08,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:08,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:08,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:08,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833918228] [2025-02-08 09:47:08,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:08,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:08,488 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:08,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:47:08,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:08,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:08,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:08,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:08,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:47:08,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:08,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:10,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394659100] [2025-02-08 09:47:10,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:10,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833918228] [2025-02-08 09:47:10,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833918228] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:10,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:10,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:47:10,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721238029] [2025-02-08 09:47:10,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:10,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:47:10,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:10,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:47:10,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:47:10,038 INFO L87 Difference]: Start difference. First operand 366 states and 480 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:10,850 INFO L93 Difference]: Finished difference Result 422 states and 548 transitions. [2025-02-08 09:47:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:47:10,850 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-08 09:47:10,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:10,852 INFO L225 Difference]: With dead ends: 422 [2025-02-08 09:47:10,852 INFO L226 Difference]: Without dead ends: 417 [2025-02-08 09:47:10,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:47:10,853 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 168 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:10,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 258 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:47:10,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-08 09:47:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 391. [2025-02-08 09:47:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 339 states have (on average 1.4218289085545723) internal successors, (482), 374 states have internal predecessors, (482), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:47:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 510 transitions. [2025-02-08 09:47:10,870 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 510 transitions. Word has length 45 [2025-02-08 09:47:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:10,870 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 510 transitions. [2025-02-08 09:47:10,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 12 states have internal predecessors, (34), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 510 transitions. [2025-02-08 09:47:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:10,871 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:10,871 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:10,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:47:11,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:11,075 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:11,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:11,075 INFO L85 PathProgramCache]: Analyzing trace with hash -2024103397, now seen corresponding path program 1 times [2025-02-08 09:47:11,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:11,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262728328] [2025-02-08 09:47:11,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:11,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:11,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:11,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:11,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:11,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829147328] [2025-02-08 09:47:11,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:11,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:11,096 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:11,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:47:11,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:11,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:11,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:11,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:11,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:47:11,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:11,279 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:11,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:11,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262728328] [2025-02-08 09:47:11,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:11,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829147328] [2025-02-08 09:47:11,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829147328] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:11,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:11,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:11,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308633057] [2025-02-08 09:47:11,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:11,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:11,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:11,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:11,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:11,280 INFO L87 Difference]: Start difference. First operand 391 states and 510 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:11,684 INFO L93 Difference]: Finished difference Result 474 states and 632 transitions. [2025-02-08 09:47:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:11,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2025-02-08 09:47:11,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:11,686 INFO L225 Difference]: With dead ends: 474 [2025-02-08 09:47:11,686 INFO L226 Difference]: Without dead ends: 467 [2025-02-08 09:47:11,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:47:11,687 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 382 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:11,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 93 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-08 09:47:11,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 426. [2025-02-08 09:47:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.4262734584450403) internal successors, (532), 408 states have internal predecessors, (532), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 562 transitions. [2025-02-08 09:47:11,707 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 562 transitions. Word has length 45 [2025-02-08 09:47:11,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:11,707 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 562 transitions. [2025-02-08 09:47:11,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 562 transitions. [2025-02-08 09:47:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:47:11,708 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:11,708 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:11,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:11,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:11,912 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:11,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 618788697, now seen corresponding path program 1 times [2025-02-08 09:47:11,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:11,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659489845] [2025-02-08 09:47:11,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:11,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:11,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:11,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:11,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:11,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:11,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [186130028] [2025-02-08 09:47:11,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:11,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:11,926 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:11,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:47:11,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:11,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:11,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:11,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:11,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:11,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:12,140 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:12,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659489845] [2025-02-08 09:47:12,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:12,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186130028] [2025-02-08 09:47:12,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186130028] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:12,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:12,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:12,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968769678] [2025-02-08 09:47:12,478 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:12,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:12,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:12,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:47:12,479 INFO L87 Difference]: Start difference. First operand 426 states and 562 transitions. Second operand has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:12,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:12,948 INFO L93 Difference]: Finished difference Result 440 states and 580 transitions. [2025-02-08 09:47:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:12,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-08 09:47:12,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:12,950 INFO L225 Difference]: With dead ends: 440 [2025-02-08 09:47:12,951 INFO L226 Difference]: Without dead ends: 439 [2025-02-08 09:47:12,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:12,951 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 272 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:12,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 233 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-02-08 09:47:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 426. [2025-02-08 09:47:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.420911528150134) internal successors, (530), 408 states have internal predecessors, (530), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 560 transitions. [2025-02-08 09:47:12,969 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 560 transitions. Word has length 46 [2025-02-08 09:47:12,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:12,969 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 560 transitions. [2025-02-08 09:47:12,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 560 transitions. [2025-02-08 09:47:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:47:12,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:12,970 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:12,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:13,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:13,171 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:13,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:13,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1677304154, now seen corresponding path program 1 times [2025-02-08 09:47:13,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:13,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731934641] [2025-02-08 09:47:13,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:13,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:13,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:13,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:13,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:13,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:13,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356245525] [2025-02-08 09:47:13,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:13,191 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:13,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:47:13,216 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:47:13,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:47:13,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:13,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:13,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:47:13,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:13,353 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731934641] [2025-02-08 09:47:13,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:13,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356245525] [2025-02-08 09:47:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356245525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:13,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:13,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:13,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664317218] [2025-02-08 09:47:13,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:13,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:13,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:13,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:13,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:13,355 INFO L87 Difference]: Start difference. First operand 426 states and 560 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:13,627 INFO L93 Difference]: Finished difference Result 451 states and 591 transitions. [2025-02-08 09:47:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:13,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-08 09:47:13,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:13,630 INFO L225 Difference]: With dead ends: 451 [2025-02-08 09:47:13,630 INFO L226 Difference]: Without dead ends: 450 [2025-02-08 09:47:13,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:47:13,630 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 366 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:13,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 98 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:13,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-02-08 09:47:13,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 426. [2025-02-08 09:47:13,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.415549597855228) internal successors, (528), 408 states have internal predecessors, (528), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 558 transitions. [2025-02-08 09:47:13,652 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 558 transitions. Word has length 46 [2025-02-08 09:47:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:13,652 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 558 transitions. [2025-02-08 09:47:13,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 558 transitions. [2025-02-08 09:47:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:13,653 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:13,654 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:13,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:13,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-08 09:47:13,854 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:13,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1656085063, now seen corresponding path program 1 times [2025-02-08 09:47:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:13,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782080738] [2025-02-08 09:47:13,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:13,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:13,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:13,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:13,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144409271] [2025-02-08 09:47:13,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:13,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:13,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:13,891 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:13,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:47:13,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:13,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:13,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:13,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:13,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:47:13,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:14,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:47:14,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:14,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782080738] [2025-02-08 09:47:14,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:14,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144409271] [2025-02-08 09:47:14,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144409271] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:14,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:14,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:47:14,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727640666] [2025-02-08 09:47:14,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:14,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:47:14,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:14,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:47:14,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:47:14,070 INFO L87 Difference]: Start difference. First operand 426 states and 558 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:14,326 INFO L93 Difference]: Finished difference Result 435 states and 566 transitions. [2025-02-08 09:47:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:47:14,326 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-08 09:47:14,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:14,327 INFO L225 Difference]: With dead ends: 435 [2025-02-08 09:47:14,327 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 09:47:14,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:47:14,328 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:14,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 259 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:14,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 09:47:14,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 426. [2025-02-08 09:47:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 373 states have (on average 1.4101876675603218) internal successors, (526), 408 states have internal predecessors, (526), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 556 transitions. [2025-02-08 09:47:14,345 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 556 transitions. Word has length 47 [2025-02-08 09:47:14,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:14,345 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 556 transitions. [2025-02-08 09:47:14,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 556 transitions. [2025-02-08 09:47:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:14,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:14,346 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:14,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:47:14,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:14,550 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:14,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2002580481, now seen corresponding path program 1 times [2025-02-08 09:47:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:14,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054523830] [2025-02-08 09:47:14,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:14,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:14,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:14,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:14,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:14,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024198403] [2025-02-08 09:47:14,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:14,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:14,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:14,570 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:14,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:47:14,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:14,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:14,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:14,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:14,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:47:14,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:15,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:17,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:17,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054523830] [2025-02-08 09:47:17,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:17,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024198403] [2025-02-08 09:47:17,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024198403] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:17,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:17,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:47:17,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973278290] [2025-02-08 09:47:17,868 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:17,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:47:17,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:17,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:47:17,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=269, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:47:17,869 INFO L87 Difference]: Start difference. First operand 426 states and 556 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:18,838 INFO L93 Difference]: Finished difference Result 496 states and 653 transitions. [2025-02-08 09:47:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:47:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-02-08 09:47:18,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:18,839 INFO L225 Difference]: With dead ends: 496 [2025-02-08 09:47:18,839 INFO L226 Difference]: Without dead ends: 490 [2025-02-08 09:47:18,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=409, Unknown=1, NotChecked=0, Total=552 [2025-02-08 09:47:18,840 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 237 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:18,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 218 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:47:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-02-08 09:47:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 416. [2025-02-08 09:47:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 363 states have (on average 1.3856749311294765) internal successors, (503), 398 states have internal predecessors, (503), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 533 transitions. [2025-02-08 09:47:18,859 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 533 transitions. Word has length 47 [2025-02-08 09:47:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:18,859 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 533 transitions. [2025-02-08 09:47:18,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:18,860 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 533 transitions. [2025-02-08 09:47:18,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:47:18,860 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:18,860 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:18,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:47:19,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:47:19,065 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:19,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:19,065 INFO L85 PathProgramCache]: Analyzing trace with hash 456821241, now seen corresponding path program 1 times [2025-02-08 09:47:19,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:19,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436283899] [2025-02-08 09:47:19,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:19,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:19,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:47:19,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:47:19,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:19,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:19,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:19,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436283899] [2025-02-08 09:47:19,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436283899] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:19,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:19,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:47:19,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053198129] [2025-02-08 09:47:19,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:19,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:47:19,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:19,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:47:19,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:19,126 INFO L87 Difference]: Start difference. First operand 416 states and 533 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:19,356 INFO L93 Difference]: Finished difference Result 441 states and 554 transitions. [2025-02-08 09:47:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:47:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-08 09:47:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:19,358 INFO L225 Difference]: With dead ends: 441 [2025-02-08 09:47:19,358 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:47:19,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:19,359 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:19,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:19,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:47:19,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 427. [2025-02-08 09:47:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 374 states have (on average 1.3903743315508021) internal successors, (520), 409 states have internal predecessors, (520), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 550 transitions. [2025-02-08 09:47:19,377 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 550 transitions. Word has length 47 [2025-02-08 09:47:19,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:19,378 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 550 transitions. [2025-02-08 09:47:19,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:19,378 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 550 transitions. [2025-02-08 09:47:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:19,378 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:19,378 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:19,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-08 09:47:19,378 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:19,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 200970653, now seen corresponding path program 1 times [2025-02-08 09:47:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:19,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766050450] [2025-02-08 09:47:19,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:19,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:19,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:19,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:19,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:19,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260775103] [2025-02-08 09:47:19,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:19,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:19,397 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:19,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:47:19,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:19,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:19,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:19,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:19,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:47:19,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:19,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:19,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:19,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766050450] [2025-02-08 09:47:19,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:19,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260775103] [2025-02-08 09:47:19,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260775103] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:19,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:19,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:19,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911728328] [2025-02-08 09:47:19,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:19,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:19,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:19,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:19,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:19,996 INFO L87 Difference]: Start difference. First operand 427 states and 550 transitions. Second operand has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:20,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:20,483 INFO L93 Difference]: Finished difference Result 669 states and 854 transitions. [2025-02-08 09:47:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:47:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2025-02-08 09:47:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:20,485 INFO L225 Difference]: With dead ends: 669 [2025-02-08 09:47:20,485 INFO L226 Difference]: Without dead ends: 426 [2025-02-08 09:47:20,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:47:20,486 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 144 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:20,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 260 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:20,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-02-08 09:47:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 421. [2025-02-08 09:47:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.388586956521739) internal successors, (511), 403 states have internal predecessors, (511), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 541 transitions. [2025-02-08 09:47:20,508 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 541 transitions. Word has length 48 [2025-02-08 09:47:20,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:20,508 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 541 transitions. [2025-02-08 09:47:20,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 541 transitions. [2025-02-08 09:47:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:20,509 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:20,509 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:20,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:20,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:20,710 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:20,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1950452823, now seen corresponding path program 1 times [2025-02-08 09:47:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791212896] [2025-02-08 09:47:20,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:20,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:20,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:20,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:20,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:20,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415914839] [2025-02-08 09:47:20,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:20,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:20,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:20,726 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:20,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:47:20,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:20,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:20,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:20,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:20,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:47:20,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:20,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:25,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791212896] [2025-02-08 09:47:25,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415914839] [2025-02-08 09:47:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415914839] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:25,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:47:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694088683] [2025-02-08 09:47:25,060 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:47:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:25,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:47:25,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2025-02-08 09:47:25,061 INFO L87 Difference]: Start difference. First operand 421 states and 541 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:25,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:25,337 INFO L93 Difference]: Finished difference Result 427 states and 545 transitions. [2025-02-08 09:47:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:47:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2025-02-08 09:47:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:25,339 INFO L225 Difference]: With dead ends: 427 [2025-02-08 09:47:25,339 INFO L226 Difference]: Without dead ends: 425 [2025-02-08 09:47:25,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:47:25,340 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 150 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:25,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 251 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:25,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-02-08 09:47:25,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 421. [2025-02-08 09:47:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 368 states have (on average 1.3831521739130435) internal successors, (509), 403 states have internal predecessors, (509), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 539 transitions. [2025-02-08 09:47:25,358 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 539 transitions. Word has length 48 [2025-02-08 09:47:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:25,359 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 539 transitions. [2025-02-08 09:47:25,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 539 transitions. [2025-02-08 09:47:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:47:25,359 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:25,359 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:25,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:47:25,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-08 09:47:25,560 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:25,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1276556600, now seen corresponding path program 1 times [2025-02-08 09:47:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:25,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831857878] [2025-02-08 09:47:25,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:25,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:47:25,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:47:25,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:25,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:47:25,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:25,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831857878] [2025-02-08 09:47:25,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831857878] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:25,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:25,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:47:25,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65143886] [2025-02-08 09:47:25,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:25,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:47:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:25,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:47:25,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:25,639 INFO L87 Difference]: Start difference. First operand 421 states and 539 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:25,876 INFO L93 Difference]: Finished difference Result 435 states and 541 transitions. [2025-02-08 09:47:25,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:47:25,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-08 09:47:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:25,878 INFO L225 Difference]: With dead ends: 435 [2025-02-08 09:47:25,878 INFO L226 Difference]: Without dead ends: 434 [2025-02-08 09:47:25,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:47:25,878 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 31 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:25,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 207 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2025-02-08 09:47:25,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 422. [2025-02-08 09:47:25,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 369 states have (on average 1.3794037940379404) internal successors, (509), 404 states have internal predecessors, (509), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:25,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 539 transitions. [2025-02-08 09:47:25,899 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 539 transitions. Word has length 48 [2025-02-08 09:47:25,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:25,903 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 539 transitions. [2025-02-08 09:47:25,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:47:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 539 transitions. [2025-02-08 09:47:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:47:25,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:25,903 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:25,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-08 09:47:25,904 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:25,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:25,904 INFO L85 PathProgramCache]: Analyzing trace with hash 334495423, now seen corresponding path program 1 times [2025-02-08 09:47:25,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:25,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368686996] [2025-02-08 09:47:25,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:25,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:25,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:47:25,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:47:25,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:25,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:25,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268019178] [2025-02-08 09:47:25,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:25,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:25,923 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:25,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:47:25,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:47:25,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:47:25,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:25,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:25,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:47:25,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:26,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:27,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:27,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368686996] [2025-02-08 09:47:27,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:27,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268019178] [2025-02-08 09:47:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268019178] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:27,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:27,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:27,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322301651] [2025-02-08 09:47:27,476 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:27,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:27,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:27,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:27,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:47:27,477 INFO L87 Difference]: Start difference. First operand 422 states and 539 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:28,017 INFO L93 Difference]: Finished difference Result 637 states and 810 transitions. [2025-02-08 09:47:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:47:28,017 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2025-02-08 09:47:28,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:28,018 INFO L225 Difference]: With dead ends: 637 [2025-02-08 09:47:28,018 INFO L226 Difference]: Without dead ends: 414 [2025-02-08 09:47:28,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=154, Invalid=398, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:47:28,019 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 253 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:28,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 270 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:28,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-02-08 09:47:28,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2025-02-08 09:47:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 361 states have (on average 1.373961218836565) internal successors, (496), 396 states have internal predecessors, (496), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:47:28,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 526 transitions. [2025-02-08 09:47:28,038 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 526 transitions. Word has length 49 [2025-02-08 09:47:28,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:28,038 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 526 transitions. [2025-02-08 09:47:28,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:47:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 526 transitions. [2025-02-08 09:47:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:47:28,039 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:28,039 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:28,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:28,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:28,243 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:28,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:28,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1589751946, now seen corresponding path program 1 times [2025-02-08 09:47:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:28,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326907502] [2025-02-08 09:47:28,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:28,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:28,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:47:28,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:47:28,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:28,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:28,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417780740] [2025-02-08 09:47:28,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:28,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:28,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:28,261 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:28,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:47:28,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:47:28,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:47:28,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:28,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:28,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:47:28,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:28,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:28,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:28,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326907502] [2025-02-08 09:47:28,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:28,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417780740] [2025-02-08 09:47:28,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417780740] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:47:28,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:47:28,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2025-02-08 09:47:28,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456028375] [2025-02-08 09:47:28,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:28,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:47:28,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:28,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:47:28,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:47:28,640 INFO L87 Difference]: Start difference. First operand 414 states and 526 transitions. Second operand has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:47:29,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:29,017 INFO L93 Difference]: Finished difference Result 510 states and 670 transitions. [2025-02-08 09:47:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:47:29,017 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) Word has length 50 [2025-02-08 09:47:29,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:29,018 INFO L225 Difference]: With dead ends: 510 [2025-02-08 09:47:29,019 INFO L226 Difference]: Without dead ends: 489 [2025-02-08 09:47:29,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:47:29,019 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 181 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:29,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 135 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-02-08 09:47:29,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 389. [2025-02-08 09:47:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 346 states have (on average 1.3179190751445087) internal successors, (456), 372 states have internal predecessors, (456), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:47:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 484 transitions. [2025-02-08 09:47:29,037 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 484 transitions. Word has length 50 [2025-02-08 09:47:29,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:29,037 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 484 transitions. [2025-02-08 09:47:29,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-08 09:47:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 484 transitions. [2025-02-08 09:47:29,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:47:29,038 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:29,038 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:29,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:29,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:47:29,239 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:29,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:29,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1256739252, now seen corresponding path program 1 times [2025-02-08 09:47:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:29,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776959029] [2025-02-08 09:47:29,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:29,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:29,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:29,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:29,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:29,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1071725712] [2025-02-08 09:47:29,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:29,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:29,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:29,256 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:29,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:47:29,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:29,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:29,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:29,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:29,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:29,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:29,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:33,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:33,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776959029] [2025-02-08 09:47:33,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:33,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071725712] [2025-02-08 09:47:33,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071725712] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:33,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:33,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:47:33,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887083068] [2025-02-08 09:47:33,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:33,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:47:33,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:33,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:47:33,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=115, Unknown=1, NotChecked=0, Total=156 [2025-02-08 09:47:33,705 INFO L87 Difference]: Start difference. First operand 389 states and 484 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:33,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:33,915 INFO L93 Difference]: Finished difference Result 444 states and 559 transitions. [2025-02-08 09:47:33,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:47:33,916 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2025-02-08 09:47:33,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:33,917 INFO L225 Difference]: With dead ends: 444 [2025-02-08 09:47:33,917 INFO L226 Difference]: Without dead ends: 439 [2025-02-08 09:47:33,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=70, Invalid=169, Unknown=1, NotChecked=0, Total=240 [2025-02-08 09:47:33,917 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 186 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:33,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 61 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:47:33,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-02-08 09:47:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 305. [2025-02-08 09:47:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 270 states have (on average 1.2444444444444445) internal successors, (336), 291 states have internal predecessors, (336), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:47:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 358 transitions. [2025-02-08 09:47:33,932 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 358 transitions. Word has length 52 [2025-02-08 09:47:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:33,932 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 358 transitions. [2025-02-08 09:47:33,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 358 transitions. [2025-02-08 09:47:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:47:33,933 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:33,933 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:33,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:34,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:47:34,134 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:34,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:34,134 INFO L85 PathProgramCache]: Analyzing trace with hash 840612850, now seen corresponding path program 1 times [2025-02-08 09:47:34,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:34,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552078838] [2025-02-08 09:47:34,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:34,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:34,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:47:34,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:47:34,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:34,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:34,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [437752851] [2025-02-08 09:47:34,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:34,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:34,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:34,154 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:34,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:47:34,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:47:34,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:47:34,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:34,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:34,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:47:34,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:34,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:34,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:34,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552078838] [2025-02-08 09:47:34,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:34,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437752851] [2025-02-08 09:47:34,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437752851] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:34,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:47:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849913581] [2025-02-08 09:47:34,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:34,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:47:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:34,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:47:34,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:34,769 INFO L87 Difference]: Start difference. First operand 305 states and 358 transitions. Second operand has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:35,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:35,325 INFO L93 Difference]: Finished difference Result 362 states and 428 transitions. [2025-02-08 09:47:35,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:47:35,325 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2025-02-08 09:47:35,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:35,326 INFO L225 Difference]: With dead ends: 362 [2025-02-08 09:47:35,326 INFO L226 Difference]: Without dead ends: 359 [2025-02-08 09:47:35,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:47:35,327 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 220 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:35,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 171 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:35,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-02-08 09:47:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 330. [2025-02-08 09:47:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 294 states have (on average 1.2414965986394557) internal successors, (365), 315 states have internal predecessors, (365), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 389 transitions. [2025-02-08 09:47:35,343 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 389 transitions. Word has length 54 [2025-02-08 09:47:35,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:35,344 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 389 transitions. [2025-02-08 09:47:35,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:35,344 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 389 transitions. [2025-02-08 09:47:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:47:35,344 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:35,344 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:35,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:35,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:47:35,545 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:35,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 289194628, now seen corresponding path program 1 times [2025-02-08 09:47:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:35,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116957300] [2025-02-08 09:47:35,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:35,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:47:35,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:47:35,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:35,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:35,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310436897] [2025-02-08 09:47:35,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:35,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:35,568 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:35,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:47:35,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-08 09:47:35,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:47:35,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:35,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:35,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:47:35,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:47:36,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:36,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:36,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116957300] [2025-02-08 09:47:36,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:36,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310436897] [2025-02-08 09:47:36,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310436897] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:36,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:36,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:47:36,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709284919] [2025-02-08 09:47:36,300 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:36,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:47:36,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:36,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:47:36,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:47:36,301 INFO L87 Difference]: Start difference. First operand 330 states and 389 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:37,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:37,111 INFO L93 Difference]: Finished difference Result 353 states and 416 transitions. [2025-02-08 09:47:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:47:37,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-02-08 09:47:37,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:37,113 INFO L225 Difference]: With dead ends: 353 [2025-02-08 09:47:37,113 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 09:47:37,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:47:37,113 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 155 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:37,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 190 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:47:37,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 09:47:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 337. [2025-02-08 09:47:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 301 states have (on average 1.2358803986710964) internal successors, (372), 322 states have internal predecessors, (372), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:47:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 396 transitions. [2025-02-08 09:47:37,128 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 396 transitions. Word has length 55 [2025-02-08 09:47:37,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:37,128 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 396 transitions. [2025-02-08 09:47:37,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:47:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 396 transitions. [2025-02-08 09:47:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 09:47:37,129 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:37,129 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:37,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:47:37,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:47:37,333 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:37,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:37,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1607678744, now seen corresponding path program 1 times [2025-02-08 09:47:37,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:37,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655889239] [2025-02-08 09:47:37,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:37,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:37,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:47:37,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:47:37,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:37,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:37,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [134185033] [2025-02-08 09:47:37,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:37,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:37,358 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:37,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:47:37,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-08 09:47:37,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 09:47:37,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:37,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:37,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-02-08 09:47:37,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:38,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:42,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:42,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655889239] [2025-02-08 09:47:42,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:42,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134185033] [2025-02-08 09:47:42,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134185033] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:42,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:42,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-02-08 09:47:42,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543886311] [2025-02-08 09:47:42,213 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:42,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:47:42,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:42,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:47:42,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:47:42,214 INFO L87 Difference]: Start difference. First operand 337 states and 396 transitions. Second operand has 18 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:47:43,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:43,458 INFO L93 Difference]: Finished difference Result 401 states and 475 transitions. [2025-02-08 09:47:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:47:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 61 [2025-02-08 09:47:43,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:43,459 INFO L225 Difference]: With dead ends: 401 [2025-02-08 09:47:43,459 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 09:47:43,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=216, Invalid=840, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:47:43,460 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 199 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:43,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 302 Invalid, 1196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:47:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 09:47:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 384. [2025-02-08 09:47:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 346 states have (on average 1.245664739884393) internal successors, (431), 367 states have internal predecessors, (431), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:47:43,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 459 transitions. [2025-02-08 09:47:43,474 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 459 transitions. Word has length 61 [2025-02-08 09:47:43,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:43,475 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 459 transitions. [2025-02-08 09:47:43,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 2.625) internal successors, (42), 15 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:47:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 459 transitions. [2025-02-08 09:47:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:47:43,475 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:43,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:43,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:47:43,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:47:43,676 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:43,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:43,676 INFO L85 PathProgramCache]: Analyzing trace with hash -688013320, now seen corresponding path program 1 times [2025-02-08 09:47:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:43,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795669620] [2025-02-08 09:47:43,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:43,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:47:43,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:47:43,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:43,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:43,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:43,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795669620] [2025-02-08 09:47:43,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795669620] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:43,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688355815] [2025-02-08 09:47:43,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:43,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:43,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:43,753 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:43,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:47:43,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:47:43,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:47:43,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:43,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:43,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:47:43,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:43,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:43,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688355815] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:47:43,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:47:43,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:47:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707578363] [2025-02-08 09:47:43,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:43,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:43,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:43,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:43,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:43,910 INFO L87 Difference]: Start difference. First operand 384 states and 459 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 09:47:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:44,056 INFO L93 Difference]: Finished difference Result 751 states and 938 transitions. [2025-02-08 09:47:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:47:44,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 62 [2025-02-08 09:47:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:44,058 INFO L225 Difference]: With dead ends: 751 [2025-02-08 09:47:44,058 INFO L226 Difference]: Without dead ends: 750 [2025-02-08 09:47:44,058 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 [2025-02-08 09:47:44,059 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 257 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:44,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 269 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:47:44,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2025-02-08 09:47:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 723. [2025-02-08 09:47:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 677 states have (on average 1.3072378138847858) internal successors, (885), 698 states have internal predecessors, (885), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:47:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 929 transitions. [2025-02-08 09:47:44,086 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 929 transitions. Word has length 62 [2025-02-08 09:47:44,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:44,086 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 929 transitions. [2025-02-08 09:47:44,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 09:47:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 929 transitions. [2025-02-08 09:47:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:47:44,087 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:44,087 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:44,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:47:44,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:47:44,291 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:44,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:44,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1765720408, now seen corresponding path program 1 times [2025-02-08 09:47:44,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:44,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245148956] [2025-02-08 09:47:44,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:44,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:44,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:47:44,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:47:44,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:44,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:44,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470752538] [2025-02-08 09:47:44,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:44,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:44,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:44,310 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:44,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:47:44,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:47:44,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:47:44,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:44,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:44,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 09:47:44,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-08 09:47:45,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245148956] [2025-02-08 09:47:50,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470752538] [2025-02-08 09:47:50,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470752538] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:50,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:50,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-08 09:47:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616878836] [2025-02-08 09:47:50,160 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:50,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:47:50,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:50,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:47:50,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:47:50,161 INFO L87 Difference]: Start difference. First operand 723 states and 929 transitions. Second operand has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:47:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:51,023 INFO L93 Difference]: Finished difference Result 822 states and 1061 transitions. [2025-02-08 09:47:51,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:47:51,023 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2025-02-08 09:47:51,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:51,025 INFO L225 Difference]: With dead ends: 822 [2025-02-08 09:47:51,025 INFO L226 Difference]: Without dead ends: 818 [2025-02-08 09:47:51,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:47:51,031 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 183 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:51,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 317 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:47:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2025-02-08 09:47:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 786. [2025-02-08 09:47:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 738 states have (on average 1.3130081300813008) internal successors, (969), 759 states have internal predecessors, (969), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:47:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1017 transitions. [2025-02-08 09:47:51,067 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1017 transitions. Word has length 62 [2025-02-08 09:47:51,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:51,067 INFO L471 AbstractCegarLoop]: Abstraction has 786 states and 1017 transitions. [2025-02-08 09:47:51,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:47:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1017 transitions. [2025-02-08 09:47:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:47:51,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:51,068 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:51,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:51,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:47:51,272 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:51,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:51,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1942737015, now seen corresponding path program 1 times [2025-02-08 09:47:51,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:51,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919047530] [2025-02-08 09:47:51,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:51,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:51,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:47:51,282 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:47:51,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:51,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:51,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:51,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919047530] [2025-02-08 09:47:51,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919047530] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:51,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:51,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-08 09:47:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501644961] [2025-02-08 09:47:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:51,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:47:51,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:51,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:47:51,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:47:51,559 INFO L87 Difference]: Start difference. First operand 786 states and 1017 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:47:52,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:52,222 INFO L93 Difference]: Finished difference Result 1140 states and 1524 transitions. [2025-02-08 09:47:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:47:52,222 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2025-02-08 09:47:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:52,226 INFO L225 Difference]: With dead ends: 1140 [2025-02-08 09:47:52,226 INFO L226 Difference]: Without dead ends: 1138 [2025-02-08 09:47:52,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:47:52,227 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 249 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:52,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 169 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:47:52,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2025-02-08 09:47:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1029. [2025-02-08 09:47:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 975 states have (on average 1.3251282051282052) internal successors, (1292), 996 states have internal predecessors, (1292), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:47:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1352 transitions. [2025-02-08 09:47:52,274 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1352 transitions. Word has length 64 [2025-02-08 09:47:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:52,274 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1352 transitions. [2025-02-08 09:47:52,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:47:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1352 transitions. [2025-02-08 09:47:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 09:47:52,275 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:52,275 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:52,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-08 09:47:52,275 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:52,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:52,276 INFO L85 PathProgramCache]: Analyzing trace with hash -704813674, now seen corresponding path program 1 times [2025-02-08 09:47:52,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:52,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10693432] [2025-02-08 09:47:52,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:52,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 09:47:52,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 09:47:52,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:52,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:52,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:52,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10693432] [2025-02-08 09:47:52,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10693432] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:52,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:52,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:47:52,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822745236] [2025-02-08 09:47:52,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:52,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:47:52,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:52,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:47:52,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:52,410 INFO L87 Difference]: Start difference. First operand 1029 states and 1352 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:47:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:52,601 INFO L93 Difference]: Finished difference Result 1647 states and 2229 transitions. [2025-02-08 09:47:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:47:52,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2025-02-08 09:47:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:52,605 INFO L225 Difference]: With dead ends: 1647 [2025-02-08 09:47:52,605 INFO L226 Difference]: Without dead ends: 1194 [2025-02-08 09:47:52,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:52,607 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:52,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 115 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:47:52,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2025-02-08 09:47:52,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1156. [2025-02-08 09:47:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1092 states have (on average 1.3315018315018314) internal successors, (1454), 1113 states have internal predecessors, (1454), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:47:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1534 transitions. [2025-02-08 09:47:52,661 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1534 transitions. Word has length 65 [2025-02-08 09:47:52,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:52,661 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1534 transitions. [2025-02-08 09:47:52,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:47:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1534 transitions. [2025-02-08 09:47:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:47:52,662 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:52,662 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:52,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-02-08 09:47:52,662 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:52,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:52,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1749839290, now seen corresponding path program 2 times [2025-02-08 09:47:52,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:52,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58376319] [2025-02-08 09:47:52,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:47:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:52,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 67 statements into 2 equivalence classes. [2025-02-08 09:47:52,681 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:47:52,681 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:47:52,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:52,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933042722] [2025-02-08 09:47:52,682 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:47:52,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:52,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:52,686 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:52,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:47:52,719 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 67 statements into 2 equivalence classes. [2025-02-08 09:47:52,748 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:47:52,748 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:47:52,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:52,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-08 09:47:52,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:47:53,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:53,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:53,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58376319] [2025-02-08 09:47:53,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:53,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933042722] [2025-02-08 09:47:53,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933042722] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:53,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:53,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-02-08 09:47:53,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357014236] [2025-02-08 09:47:53,932 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:53,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:47:53,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:53,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:47:53,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:47:53,932 INFO L87 Difference]: Start difference. First operand 1156 states and 1534 transitions. Second operand has 17 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:47:54,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:54,524 INFO L93 Difference]: Finished difference Result 1661 states and 2238 transitions. [2025-02-08 09:47:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:47:54,524 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 67 [2025-02-08 09:47:54,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:54,528 INFO L225 Difference]: With dead ends: 1661 [2025-02-08 09:47:54,528 INFO L226 Difference]: Without dead ends: 1079 [2025-02-08 09:47:54,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:47:54,530 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 264 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:54,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 219 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:47:54,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2025-02-08 09:47:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1068. [2025-02-08 09:47:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1005 states have (on average 1.3393034825870647) internal successors, (1346), 1026 states have internal predecessors, (1346), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 09:47:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1424 transitions. [2025-02-08 09:47:54,592 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1424 transitions. Word has length 67 [2025-02-08 09:47:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:54,592 INFO L471 AbstractCegarLoop]: Abstraction has 1068 states and 1424 transitions. [2025-02-08 09:47:54,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:47:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1424 transitions. [2025-02-08 09:47:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:47:54,593 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:54,593 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:54,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-08 09:47:54,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:54,793 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-02-08 09:47:54,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:54,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1878103880, now seen corresponding path program 1 times [2025-02-08 09:47:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:54,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854932121] [2025-02-08 09:47:54,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:54,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:47:54,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:47:54,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:54,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:54,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935288563] [2025-02-08 09:47:54,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:54,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:54,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:54,816 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:47:54,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:47:54,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:47:54,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:47:54,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:54,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:54,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 09:47:54,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:48:04,123 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:48:04,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:48:05,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:48:05,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854932121] [2025-02-08 09:48:05,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:48:05,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935288563] [2025-02-08 09:48:05,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935288563] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:48:05,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:48:05,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-02-08 09:48:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808216704] [2025-02-08 09:48:05,007 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:48:05,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:48:05,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:48:05,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:48:05,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=381, Unknown=1, NotChecked=0, Total=462 [2025-02-08 09:48:05,008 INFO L87 Difference]: Start difference. First operand 1068 states and 1424 transitions. Second operand has 18 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 16 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-02-08 09:48:08,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]